title: Letter: Practolol reaction.
mesh_terms: D005260:Female; D006801:Humans; D007415:Intestinal Obstruction / Q000139:chemically induced*; D008875:Middle Aged; D010538:Peritonitis / Q000139:chemically induced*; D011217:Practolol / Q000009:adverse effects*; D011433:Propranolol / Q000009:adverse effects; D012598:Sclerosis
chemical_list: D011433:Propranolol; D011217:Practolol