[Regitin and mecholyl tests].
D006632:Histamine; D006801:Humans; D008688:Methacholine Compounds; D010646:Phentolamine; D010673:Pheochromocytoma / Q000175:diagnosis*; D011433:Propranolol
D008688:Methacholine Compounds; D006632:Histamine; D011433:Propranolol; D010646:Phentolamine