.beta.-Lactam antibiotics derived from nitrogen hetrocyclic acetic acids. 1. Penicillin derivatives
1977 ◽
Vol 20
(4)
◽
pp. 560-563
◽
1981 ◽
Vol 34
(1)
◽
pp. 40-46
◽
1985 ◽
Vol 28
(10)
◽
pp. 1447-1453
◽
1987 ◽
Vol 30
(3)
◽
pp. 528-536
◽
2021 ◽
Vol 224
(2)
◽
pp. S169-S170
1996 ◽
Vol 40
(6)
◽
pp. 1573-1574
◽