Barreix, Maria; Barbour, Kelli; McCaw-Binns, Affette; Chou, Doris; Petzold, Max; Gichuhi, Gathari N; Gadama, Luis; Taulo, Frank; Tunçalp, Özge; Say, Lale; +1 more... WHO Maternal Morbidity Working Group (MMWG); (2018) Standardizing the measurement of maternal morbidity: Pilot study results. International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 141 Su. pp. 10-19. ISSN 0020-7292 DOI: https://doi.org/10.1002/ijgo.12464