Sethi, P. D. Quantitative analysis of drugs in pharmaceutical formulations / P.D. Sethi - 3rd ed. - New Delhi : CBS Publishers & Distributors, 1997 - xxv, 643 p. : ill. ; 25 cm. Includes index ISBN: 9788123905600 8123905602 Subjects--Topical Terms: Chemistry, Pharmaceutical--methodsPharmaceutical Preparations--analysis