Letter: Small infectious doses of salmonella.
D004340:Drug Contamination; D006801:Humans; D007223:Infant; D010184:Pancreatic Extracts / Q000009:adverse effects / Q000627:therapeutic use; D012475:Salmonella / Q000472:pathogenicity*; D012480:Salmonella Infections / Q000209:etiology*
D010184:Pancreatic Extracts