Liu, Hacker M, Girouard, Pokorney, Dodge, Ricciotti. Lessons Learned from an Urban Health Center Promoting the HPV Vaccine in the" Catch-Up" Population. In: JOURNAL OF WOMENS HEALTH. Vol. 18. MARY ANN LIEBERT INC 140 HUGUENOT STREET, 3RD FL, NEW ROCHELLE, NY 10801 USA; 2009:753–753.