TY - JOUR A1 - Hall, J.A. A1 - Barrett, G. A1 - Phiri, T. A1 - Copas, A. A1 - Malata, A. A1 - Stephenson, J. T1 - Prevalence and determinants of unintended pregnancy in Mchinji District, Malawi; using a conceptual hierarchy to inform analysis Y1 - 2016 DO - 10.1371/journal.pone.0165621 VL - 11 IS - 10 ER -