TY  - JOUR 
T1  - Comparative in vitro activities of seven new beta-lactams, alone and in combination with beta-lactamase inhibitors, against clinical isolates resistant to third generation cephalosporins
JO  - Brazilian Journal of Infectious Diseases
A1  - Gupta, Varsha
A1  - Datta, Priya
A1  - Agnihotri, Nalini
A1  - Chander, Jagdish
SN  - 1413-8670
UL  - 10.1590/S1413-86702006000100005
VL  - 10 
Y1  - 2006
PB  - Brasil 
ER  -