Provision of medical supply kits to improve quality of antenatal care in Mozambique: a stepped-wedge cluster randomised trial oleh Ana Pilar Betrán, PhD, Eduardo Bergel, PhD, Sally Griffin, MSc, Armando Melo, MD, My Huong Nguyen, PhD, Alicia Carbonell, MD, Santos Mondlane, MSc, Mario Merialdi, PhD, Marleen Temmerman, PhD, A Metin Gülmezoglu, PhD, Alicia Aleman, Fernando Althabe, Adriano Biza, Beatrice Crahay, Leonardo Chavane, Mercedes Colomar, Therese Delvaux, Ussumane Dique Ali, Lucio Fersurela, Diederike Geelhoed, Ingeborg Jille-Taas, Celsa Regina Malapende, Célio Langa, Nafissa Bique Osman, Jennifer Requejo, Geraldo Timbe