RT Journal Article SR Electronic T1 MHRA safety alert: hyoscine butylbromide (Buscopan) injection JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 51 OP 51 DO 10.1136/dtb.2017.5.0473 VO 55 IS 5 YR 2017 UL http://dtb.bmj.com/content/55/5/51.1.abstract AB