Multilevel modelling of determinants of perinatal mortality in East Africa: a pooled analysis of National health survey data. - Terefe B; Bikale Kebede F; Nigussie Abrha N; Fentaw Shiferaw Y; Kahsay Asgedom D; Keflie Assefa S; Tezera Assimamaw N (BMC public health, 2025)