Florina Serbanescu, Howard I. Goldberg, Isabella Danel, Tadesse Wuhib, Lawrence Marum, Walter Obiero, James McAuley, Jane Aceng, Ewlyn Chomba, Paul W. Stupp, Claudia Morrissey Conlon
BMC Pregnancy Childbirth. 2017; 17: 42. Published online 2017 Jan 19. doi: 10.1186/s12884-017-1222-y