title: Portal hypertension in systemic mastocytosis.
mesh_terms: D003094:Collagen / Q000032:analysis; D006801:Humans; D006975:Hypertension, Portal / Q000209:etiology*; D008099:Liver / Q000473:pathology; D014582:Urticaria Pigmentosa / Q000150:complications*
chemical_list: D003094:Collagen