Birhan maternal and child health cohort: a study protocol.
Bmj Open
Chan, Grace J GJ; Hunegnaw, Bezawit Mesfin BM; Van Wickle, Kimiko K; Mohammed, Yahya Y; Hunegnaw, Mesfin M; Bekele, Chalachew C; Goddard, Frederick G B FGB; Tadesse, Fisseha F; Bekele, Delayehu D