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&lt;p style="MARGIN: 0in 0in 0pt 0.25in; TEXT-INDENT: -0.25in"&gt;&lt;b&gt;&lt;font style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;D.&lt;/font&gt;&lt;/b&gt;&lt;b&gt;&lt;font style="FONT-WEIGHT: bold; FONT-SIZE: 3pt" size="1"&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&lt;/font&gt;&lt;/b&gt; &lt;b&gt;&lt;font style="FONT-WEIGHT: bold; FONT-SIZE: 10pt" size="2"&gt;Accounts Receivable&lt;/font&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p style="MARGIN: 0in 0in 0pt 0.25in; TEXT-INDENT: -0.25in"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
&lt;p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.25in"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;Our accounts receivable were $7.6 million and $27.4 million at September&amp;nbsp;30, 2010 and December&amp;nbsp;31, 2009, respectively, and primarily represented amounts due from wholesalers and distributors to whom we sell &lt;i&gt;Feraheme&lt;/i&gt; directly. The $27.4 million accounts receivable balance at December&amp;nbsp;31, 2009 included $12.1 million from customers who participated in the Launch Incentive Program&lt;i&gt;.&lt;/i&gt;  Accounts receivable are recorded net of reserves for estimated chargeback obligations, prompt payment discounts and any allowance for doubtful accounts. Reserves for other sales-related allowances such as rebates, distribution and other fees, and product returns are included in accrued expenses in our condensed consolidated balance sheets.&lt;/font&gt;&lt;/p&gt;
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&lt;p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.25in"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;During the three months ended September&amp;nbsp;30, 2010, one of our customers returned a portion of their unused inventory which had been received under our Launch Incentive Program. As a result, the remaining $2.1 million accounts receivable balance due from this customer as well as the corresponding deferred revenue and rebate reserve balances were reversed. As of September&amp;nbsp;30, 2010, there were no remaining balances in accounts receivable from customers to whom we shipped &lt;i&gt;Feraheme&lt;/i&gt; under our Launch Incentive Plan.&lt;/font&gt;&lt;/p&gt;
&lt;p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.25in"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
&lt;p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.25in"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;As part of our credit management policy, we perform ongoing credit evaluations of our customers, and we have not required collateral from any customer. To date, we have not experienced significant bad debts. Accordingly, we have not established an allowance for doubtful accounts at either September&amp;nbsp;30, 2010 or December&amp;nbsp;31, 2009. If the financial condition of any of our significant customers was to deteriorate and result in an impairment of their ability to make payments owed to us, an allowance for doubtful accounts may be required which could have a material effect on earnings in the period of any such adjustment. Customers which represented greater than 10% of our accounts receivable balance at September&amp;nbsp;30, 2010 and December&amp;nbsp;31, 2009 were as follows:&lt;/font&gt;&lt;/p&gt;
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&lt;p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: center" align="center"&gt;&lt;b&gt;&lt;font style="FONT-WEIGHT: bold; FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="1"&gt;&amp;nbsp;&lt;/font&gt;&lt;/b&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;p style="MARGIN: 0in 0in 0pt 10pt; TEXT-INDENT: -10pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;AmerisourceBergen Drug Corporation&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.68%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.68%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;%&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="BORDER-RIGHT: medium none; PADDING-RIGHT: 0in; BORDER-TOP: medium none; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; BORDER-LEFT: medium none; WIDTH: 15%; PADDING-TOP: 0in; BORDER-BOTTOM: medium none" valign="bottom" width="15%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;29&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;%&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 63.58%; PADDING-TOP: 0in" valign="top" width="63%"&gt;
&lt;p style="MARGIN: 0in 0in 0pt 10pt; TEXT-INDENT: -10pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;Metro Medical Supply,&amp;nbsp;Inc.&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.68%; PADDING-TOP: 0in" valign="bottom" width="2%"&gt;
&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 15%; PADDING-TOP: 0in" valign="bottom" width="15%"&gt;
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&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 2.68%; PADDING-TOP: 0in" valign="bottom" width="2%"&gt;
&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;%&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; PADDING-BOTTOM: 0in; WIDTH: 15%; PADDING-TOP: 0in" valign="bottom" width="15%"&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;%&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="HEIGHT: 0px"&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 63.58%; PADDING-TOP: 0in" valign="top" width="63%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt 10pt; TEXT-INDENT: -10pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;Dialysis Clinics,&amp;nbsp;Inc.&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#151;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.68%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 15%; PADDING-TOP: 0in" valign="bottom" width="15%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;15&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;%&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;p style="MARGIN: 0in 0in 0pt 10pt; TEXT-INDENT: -10pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;Liberty Dialysis, LLC&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;10&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;%&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;
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&lt;p style="MARGIN: 0in 0in 0pt 10pt; TEXT-INDENT: -10pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;Satellite Healthcare,&amp;nbsp;Inc.*&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 2.68%; PADDING-TOP: 0in" valign="bottom" width="2%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
&lt;td style="PADDING-RIGHT: 0in; PADDING-LEFT: 0in; BACKGROUND: #cceeff; PADDING-BOTTOM: 0in; WIDTH: 15%; PADDING-TOP: 0in" valign="bottom" width="15%" bgcolor="#CCEEFF"&gt;
&lt;p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;#151;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 1pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt; TEXT-ALIGN: right" align="right"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;10&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;
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&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;%&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
&lt;p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.25in"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
&lt;p style="MARGIN: 0in 0in 0pt"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;&amp;nbsp;&lt;/font&gt;&lt;/p&gt;
&lt;p style="MARGIN: 0in 0in 0pt 0.25in"&gt;&lt;font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman" size="2"&gt;*&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; During 2009, our Chief Executive Officer was a member of the Board of Directors of Satellite Healthcare,&amp;nbsp;Inc. but resigned from that position in March&amp;nbsp;2010. At December&amp;nbsp;31, 2009, we had a receivable of approximately $2.8 million from this customer. In addition, during the three months ended March&amp;nbsp;31, 2010, we recognized approximately $1.0 million in revenues from this customer.&lt;/font&gt;&lt;/p&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;
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          <NonNumericTextHeader>D.&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; Accounts Receivable
&amp;nbsp;
Our accounts receivable were $7.6 million and $27.4 million at</NonNumericTextHeader>
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      <ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 02
 -Paragraph 3, 4
 -Article 5

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