No Association between Endogenous Retinoic Acid and Human Papillomavirus Clearance or Incident Cervical Lesions in Brazilian Women

E. M Siegel, J. L Salemi, N. E Craft, L. L Villa, A. S Ferenczy, E. L Franco and A. R. Giuliano

Cancer Prevention Research 3 ( 8 ): 1007 - 1014 , 2010