Sethi, P.D. Quantitative analysis of drugs in pharmaceutical formulations / P.D. Sethi. - 3rd ed. - Delhi : CBS, 1997 - 540 p. : ill. ; 25 cm. Includes index. ISBN: 8123905602 Subjects--Topical Terms: Drugs --Analysis Dewey Class. No.: 615.1901 / SEQ 1997