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Bhatla N, Dar L, Patro AR, Kumar P, Kriplani A, Gulati A, Iyer VK, Mathur SR, Sreenivas V, Shah KV, Gravitt PE.Bhatla N, et al. Among authors: sreenivas v.Cancer Epidemiol. 2009 Dec;33(6):446-50. doi: 10.1016/j.canep.2009.10.013. Epub 2009 Nov 20.Cancer Epidemiol. 2009.PMID: 19931499Free PMC article.