The association of current hormonal contraceptive use with type-specific HPV detection
Khalil G Ghanem, S Deblina Datta, Elizabeth R Unger, Michael Hagensee, Judith C Shlay, Peter Kerndt, Katherine Hsu, Laura A Koutsky
Sexually Transmitted Infections Aug 2011, 87 (5) 385-388; DOI: 10.1136/sextrans-2011-050005