Evaluation of anal cytology versus high-resolution anoscopy (HRA) in the diagnosis of preneoplastic lesions in a multicenter HIV-infected Spanish Cohort (CoRIS-HRA): incorporation of cellular proliferation molecular markers into the algorithm - Hernandez-Novoa, Beatriz; Antonio Perez-Molina, Jose; Benito, Amparo; Ocampo, Antonio; del Romero, Jorge; Sendagorta, Elena; Masia, Mar; Luis Cervantes, Jose; Ortiz, Marta; Gonzalez, Cristina; Mayer, Gal (Sexual Health, 2013)