海量图书期刊资源,随时随地畅享阅读乐趣
Studies of national formulary drugs.Heber W. Youngken; Raymond W. Vander Wyk · 1939
Scientific section.Fluidextract of ergotL. W. Rowe; George D. Beal; F. F. Berg; C. O. Lee; E. V. Lynn; John C. Krantz; Heber W. Youngken · 1933
A recent substitute for jalapHeber W. Youngken · 1940
Studies on Indian Rhubarb. IHeber W. Youngken · 1944
Pharmacognostical studies of four American arnicasHeber W. Youngken; Elmer H. Wirth · 1947
A pharmacognostical study of RauwolfiaHeber W. Youngken Sr. · 1954
Antibacterial activity of Cassia reticulata willdHeber W. Youngken; Robert A. Walshx · 1954
Malabar Rauwolfia, Rauwolfia micrantha Hook. f.Heber W. Youngken · 1954