Department of Nursing Science;
University of Zimbabwe College of Health Sciences;
Harare;
Zimbabwe;
Department of Paediatrics;
University of Zimbabwe College of Health Sciences;
Harare;
Zimbabwe;
Division of Women;
Rikshospitalet;
Institute of Clinical Medicine;
University of Oslo;
Oslo;
Norway;
Missed; Visits; Option; B; Plus; Pilot; Study; PMTCT; (Prevention; of; Mother-to-Child; Transmission; of; HIV); Predictors;