Effect of a collector bag for measurement of postpartum blood loss after vaginal delivery: cluster randomised trial in 13 European countries

: Euphrates GROUP, Erkkola R

: 2010

: BMJ

: c293

: 340

: 1

: 8

: 8

: 0959-535X

DOI: https://doi.org/10.1136/bmj.c293(external)