TY - JOUR A1 - Ganatra, B. A1 - Tunçalp, O. A1 - Johnston, H.B. A1 - Johnson, B.R. A1 - Gülmezoglu, A.M. A1 - Temmerman, M. T1 - From concept to measurement: Operationalizing WHO’s definition of unsafe abortion Y1 - 2014 DO - 10.2471/BLT.14.136333 VL - 92 IS - 3 ER -