Sánchez, G., Niño, C.G. and Estupiñán, A.C. 2016. Determinants of Timely Treatment in Women with Breast Cancer Supported by Six Non-governmental Organizations in Colombia. Revista Facultad Nacional de Salud Pública. 34, 3 (Sep. 2016), 297–305. DOI:https://doi.org/10.17533/udea.rfnsp.v34n3a04.