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. Author manuscript; available in PMC: 2011 May 10.
Published in final edited form as: J Pharm Biomed Anal. 2010 Oct 13;54(3):433–438. doi: 10.1016/j.jpba.2010.08.025

Table 4.

Precision: Drug Substance (% RSD, n = 3).

Sample 0.08 µg/mL 0.4 µg/mL 0.8 µg/mL
Validation day 1 0.22 0.16 0.74
Validation day 2 3.66 0.68 0.56
Validation day 3 2.12 1.09 1.37