title: Raynaud's phenomenon: prostacyclin or histamine deficiency?
mesh_terms: D003080:Cold Temperature; D006225:Hand / Q000098:blood supply; D006632:Histamine / Q000172:deficiency*; D006358:Hot Temperature; D006801:Humans; D011928:Raynaud Disease / Q000503:physiopathology*; D014661:Vasoconstriction; D014664:Vasodilation
chemical_list: D006632:Histamine