Wallis, T.E Pharmacognosy / T.E. Wallis. - 1st ed. - USA : CBS, c2014. - viii, 578 p : ill.;, figs.;, tables.; c24 cm. Includes Index. Dept. of Pharmacy. Subjects--Topical Terms: Pharmacognosy. Dewey Class. No.: 615.321 / WAT