0000950168-01-501145 Sample Contracts

Exhibit 10.169 SIXTH AMENDMENT
Loan Agreement • November 13th, 2001 • Pharmaceutical Product Development Inc • Services-commercial physical & biological research • North Carolina
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Credit and Security Agreement • November 13th, 2001 • Pharmaceutical Product Development Inc • Services-commercial physical & biological research • Virginia
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Subordination and Intercreditor Agreement • November 13th, 2001 • Pharmaceutical Product Development Inc • Services-commercial physical & biological research