[The oral and intravenous iron tolerance test after Billroth II operation].
D000740:Anemia / Q000209:etiology*; D005743:Gastrectomy / Q000150:complications*; D005763:Gastroenterostomy; D007501:Iron / Q000378:metabolism*
D007501:Iron
ANEMIA/etiology; GASTRECTOMY/complications; IRON/metabolism