title: A retrospective study of mid-stream urine specimens.
mesh_terms: D000293:Adolescent; D000328:Adult; D000892:Anti-Infective Agents, Urinary / Q000627:therapeutic use; D001437:Bacteriuria / Q000188:drug therapy / Q000382:microbiology*; D002648:Child; D002675:Child, Preschool; D004926:Escherichia coli / Q000302:isolation & purification; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008826:Microbial Sensitivity Tests; D008875:Middle Aged; D012189:Retrospective Studies
chemical_list: D000892:Anti-Infective Agents, Urinary