Can earlier BCG-Japan and OPV vaccination reduce early infant mortality? A cluster-randomised trial in Guinea-Bissau. - Thysen SM; da Silva Borges I; Martins J; Stjernholm AD; Hansen JS; da Silva LMV; Martins JSD; Jensen A; Rodrigues A; Aaby P; Stabell Benn C; Fisker AB (BMJ global health, 2024)