TY  - BOOK
AU  - Sammes,P.G.
TI  - The chemistry of antimicrobial activity of new synthetic B-lactam antibiotics
T2  - topics inantibiotic chemistry
SN  - 0470269367(Halsted Press)
U1  - 615.329 
PY  - 1980///
CY  - Chinchester
PB  - Ellis Horwood ; New York : Distributed by Halted Press, 
KW  - ANTIBIOTICOS
UR  - https://www.cicy.mx/sitios/sib/doctoelectronico/287.pdf
ER  -