National Center for Biotechnology Information NCBI NLM MEDLINE humans pubmed abstract nih national institutes of health national library of medicine research support non-u.s. gov't u.s. gov't non-p.h.s. adult female adolescent aged middle aged Comparative Study P.H.S. drug resistance community-acquired infections / epidemiology community-acquired infections / microbiology Cohort Studies escherichia coli / isolation & purification serotyping anti-infective agents urinary tract infections / microbiology* trimethoprim escherichia coli / classification escherichia coli / drug effects* california / epidemiology prevalence escherichia coli infections / microbiology* escherichia coli / genetics multiple* michigan / epidemiology minnesota / epidemiology virulence / genetics dna fingerprinting urinary tract infections / epidemiology escherichia coli infections / epidemiology pmid:11586952 doi:10.1056/nejmoa011265 a r manges j r johnson l w riley urinary* / pharmacology urinary* / therapeutic use sulfamethoxazole drug combination* / pharmacology sulfamethoxazole drug combination* / therapeutic use