Marignani, Massimo Occult and obscure bleeding, iron deficiency anemia and other gastrointestinal stories (Review). [electronic resource] - International journal of molecular medicine Jan 2005 - 129-35 p. digital Publication Type: Journal Article; Review ISSN: 1107-3756 Subjects--Topical Terms: Anemia, Iron-Deficiency--complicationsGastrointestinal Diseases--complicationsHemorrhage--complicationsHumansOccult BloodRadiography