Abortion incidence between 1990 and 2014: global, regional, and subregional levels and trends (Sedgh et al)
Sedgh, Gilda et al. Abortion incidence between 1990 and 2014: global, regional, and subregional levels and trends. Lancet. 2015. Publicadas online: 11 May 2016
Aquí: http://www.thelancet.com/journals/lancet/article/PIIS0140-6736(16)30380-4/fulltext