Abstract:
M. De Silva, U. Senarath, M. Gunatilake, D. Lokuhetty
Prolonged breastfeeding reduces the risk of breast cancer in Sri Lankan women: A case control study.
Cancer Epidemiology 2010;34(3):267-273
http://www.ncbi.nlm.nih.gov/pubmed/20338838
http://www.sciencedirect.com/science/article/pii/S1877782110000317