title: The pathologic significance of occult blood in feces.
mesh_terms: D002859:Chromium Isotopes; D003937:Diagnosis, Differential; D005243:Feces / Q000032:analysis*; D005260:Female; D005767:Gastrointestinal Diseases / Q000150:complications / Q000175:diagnosis*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology; D005770:Gastrointestinal Neoplasms / Q000150:complications / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D009780:Occult Blood; D011865:Radioisotope Dilution Technique
chemical_list: D002859:Chromium Isotopes