title: Letter: Hyoscine butylbromide and the oculo-cardiac reflex.
mesh_terms: D002086:Butylscopolammonium Bromide / Q000008:administration & dosage / Q000627:therapeutic use*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D012018:Reflex / Q000187:drug effects*; D012024:Reflex, Oculocardiac / Q000187:drug effects*; D012602:Scopolamine Derivatives; D013285:Strabismus / Q000601:surgery
chemical_list: D012602:Scopolamine Derivatives; D002086:Butylscopolammonium Bromide