Machine generated authority record.
Trease and Evans pharmacognosy / William Charles Evans. - 16th ed. / rev. with the assistance of Daphne Evans. - Edinburgh [etc.], 2009.
Pharmacognosy |b [by] George Edward Trease and William Charles Evans, [1972, ©1971]. ‡u http://worldcat.org/oclc/50340037 ‡w 50340037
Pharmacognosy, 1972. ‡u http://worldcat.org/oclc/604964449 ‡w 604964449