Table 1.

Most-cited documents.

References	Title	Total Citations *	Total Citations per Year **
Enels EA, 2011, JAMA [7]	Spectrum of cancer risk among US solid organ transplant recipients	856	78
De Vuyst H, 2009, Int J Cancer [8]	Prevalence and type distribution of human papillomavirus in carcinoma and intraepithelial neoplasia of the vulva, vagina and anus: a meta-analysis	684	53
Machalek DA, 2012, Lancet Oncol [9]	Anal human papillomavirus infection and associated neoplastic lesions in men who have sex with men: a systematic review and meta-analysis	621	62
Palefsky JM, 2011, New Engl J Med [10]	HPV vaccine against anal HPV infection and anal intraepithelial neoplasia	615	56
Ajani JA, 2008, JAMA [11]	Fluorouracil, mitomycin, and radiotherapy vs. fluorouracil, cisplatin, and radiotherapy for carcinoma of the anal canal: a randomized controlled trial	594	42
James RD, 2013, Lancet Oncol [12]	Mitomycin or cisplatin chemoradiation with or without maintenance chemotherapy for treatment of squamous-cell carcinoma of the anus (ACT II): a randomised, phase 3, open-label, 2 × 2 factorial trial	395	44
Silverberg MJ, 2012, Clin Infect Dis [13]	Risk of anal cancer in HIV-infected and HIV-uninfected individuals in North America	369	37
Kachnic LA, 2013, Int J Radiat Oncol Biol Phys [14]	RTOG 0529: a phase 2 evaluation of dose-painted intensity modulated radiation therapy in combination with 5-fluorouracil and mitomycin-C for the reduction of acute morbidity in carcinoma of the anal canal	351	39
Shiels MS, 2009, J Acquired Immune Defic Syndr [15]	A meta-analysis of the incidence of non-AIDS cancers in HIV-infected individuals	350	27
Giuliano AR, 2011, Lancet [16]	Incidence and clearance of genital human papillomavirus infection in men (HIM): a cohort study	335	31

* Number of times each document has been cited; ** yearly average number of times each document has been cited.