J. Torres et al., Increasing multidrug resistance in Helicobacter pylori strains isolated from children and adults in Mexico, J CLIN MICR, 39(7), 2001, pp. 2677-2680
The susceptibilities to three antimicrobials of 195 Helicobacter pylori str
ains isolated from Mexican patients is reported; 80% of the strains were re
sistant to metronidazole, 24% were resistant to clarithromycin, and 18% pre
sented a transient resistance to amoxicillin. Resistance to two or more ant
imicrobials increased significantly from 1995 to 1997.