[Etiologic study of anemia of digestive origin].
D000740:Anemia / Q000209:etiology*; D005494:Folic Acid Deficiency / Q000150:complications*; D006471:Gastrointestinal Hemorrhage / Q000150:complications*; D006801:Humans; D014806:Vitamin B 12 Deficiency / Q000150:complications*
Enquêtes etiologiques devant une anémie d'origine digestive