RT Journal Article SR Electronic T1 Doxylamine/pyridoxine for nausea and vomiting in pregnancy JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 38 OP 41 DO 10.1136/dtb.2018.000053 VO 57 IS 3 YR 2019 UL http://dtb.bmj.com/content/57/3/38.abstract AB