TY  - BOOK
AU  - WILLIAMSON E M / OKPAKA D T / EVANS F J
TI  - SELECTION PREPARATION AND PAHRMACOLOGICAL EVALATION OF PLANT MATERIAL VOL 1
PY  - 0000///
CY  - NEW YORK
PB  - JOHN WILLY & SONS NEW YORK
KW  - PHARMACOLOGY
ER  -