Addressing a missed opportunity for contraceptive use during the extended postpartum period by integrating it with infant immunization services in Sidama Region, Ethiopia: A quasi-experimental study - Abebaw Abeje Muluneh; Abel Gedefaw; Temesgen Kelaye; Friehiwot Sisay; Misganaw Worku; Ayalew Astatkie; Solomon Shiferaw (Public Library of Science (PLoS), 2024)