RT Journal Article SR Electronic T1 Adequate maternal pre-conceptional folate status may reduce the risk of gestational diabetes mellitus JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 76 OP 76 DO 10.1136/ebnurs-2019-103157 VO 24 IS 3 A1 Karen Best A1 Tim J Green YR 2021 UL http://ebn.bmj.com/content/24/3/76.abstract AB