| http://www.w3.org/ns/prov#value | - FIG. 2 is a graph of in vitro polymeric pellet release studies, percent cumulative release over time in days of 12% bupivacaine HCl in 10 ml PBS (dark circles); 20% bupivacaine HCl in 25 ml PBS (open triangles); 20% bupivacaine 10 ml PBS (dark squares); and 20% bupivacaine in 2 ml PBS (open square).
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