title: [Trichobezoar and pellagra].
mesh_terms: D000293:Adolescent; D001630:Bezoars / Q000150:complications*; D001862:Bone Resorption; D005260:Female; D005753:Gastric Mucosa / Q000378:metabolism; D005773:Gastroscopy; D006801:Humans; D009536:Niacinamide / Q000378:metabolism; D010383:Pellagra / Q000209:etiology*; D012877:Skin Manifestations; D013270:Stomach / Q000601:surgery; D013272:Stomach Diseases / Q000209:etiology; D014364:Tryptophan / Q000378:metabolism
chemical_list: D009536:Niacinamide; D014364:Tryptophan
vernacular_title: Trichobezoar und Pellagra.