title: Letter: Serotyping of E. coli.
mesh_terms: D003968:Diarrhea, Infantile / Q000382:microbiology; D004768:Enterotoxins / Q000302:isolation & purification; D004926:Escherichia coli / Q000145:classification* / Q000472:pathogenicity; D006801:Humans; D007223:Infant; D012703:Serotyping
chemical_list: D004768:Enterotoxins