Coates R, Cupples G, Scamell A, McCourt C
Centre for Maternal and Child Health Research, School of Health Sciences, City University of London, London, UK.
Maternity Department, Royal Jubilee Maternity Service, Belfast, UK.
BJOG. 2021 Apr;128(5):935. doi: 10.1111/1471-0528.16628. Epub 2021 Feb 10.