TY  - BOOK
AU  - Pratt, Robertson
AU  - Youngken, Herber K.
TI  - Pharmacognosy: the study of natural drug substances and certain allied products
U1  - 615.321 
PY  - 1951///
CY  - Philadelphia
PB  - J. B. Lippincott Company
KW  - Pharmaceutical chemistry; Medicinal plants; Drugs
ER  -