title: [Vitamin B-12 malabsorption following jejuno-ileal bypass surgery].
mesh_terms: D006801:Humans; D007082:Ileum / Q000601:surgery*; D007583:Jejunum / Q000601:surgery*; D008286:Malabsorption Syndromes / Q000209:etiology*; D009765:Obesity / Q000628:therapy*; D011183:Postoperative Complications; D012778:Short Bowel Syndrome / Q000209:etiology*; D014805:Vitamin B 12 / Q000378:metabolism; D014806:Vitamin B 12 Deficiency / Q000209:etiology*
chemical_list: D014805:Vitamin B 12
vernacular_title: B-12 vitamin malabszorpció jejuno-ilealis bypass mütét után.