Letter: Montezuma's revenge.
D003967:Diarrhea / Q000382:microbiology / Q000517:prevention & control*; D004338:Drug Combinations; D006801:Humans; D008800:Mexico; D009656:North America; D013307:Streptomycin / Q000008:administration & dosage / Q000627:therapeutic use; D013411:Sulfadiazine / Q000008:administration & dosage / Q000627:therapeutic use; D013418:Sulfamethazine / Q000008:administration & dosage / Q000627:therapeutic use; D013432:Sulfathiazoles / Q000008:administration & dosage / Q000627:therapeutic use; D014195:Travel
D004338:Drug Combinations; D013432:Sulfathiazoles; D013411:Sulfadiazine; D013418:Sulfamethazine; D013307:Streptomycin