title: Possible adverse effect of phenoxybenzamine therapy in a patient with progressive systemic sclerosis.
mesh_terms: D005385:Fingers / Q000098:blood supply*; D005734:Gangrene / Q000139:chemically induced*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010643:Phenoxybenzamine / Q000009:adverse effects* / Q000627:therapeutic use; D011928:Raynaud Disease / Q000150:complications; D012595:Scleroderma, Systemic / Q000150:complications / Q000188:drug therapy*
chemical_list: D010643:Phenoxybenzamine