title: Isolation of E. coli O157:H7 from sporadic cases of hemorrhagic colitis - United States.
mesh_terms: D003092:Colitis / Q000503:physiopathology*; D004926:Escherichia coli / Q000302:isolation & purification*; D005243:Feces / Q000382:microbiology; D006801:Humans; D014481:United States