TY  - BOOK
AU  - Korolkovas Andrejus
AU  -  Burckkhalter Joseph H
TI  - Essentials of medicinal chemistry
U1  - LZ3, L6 
PY  - 1976///
CY  - London
PB  - John Wiley        
KW  -  Pharmacognosy
KW  - Medicine
ER  -