• Rationale and design of a community-based double-blind randomized clinical trial of an HPV 16 and 18 vaccine in Guanacaste, Costa Rica 

      Herrero, Rolando; Hildesheim, Allan; Rodríguez, Ana Cecilia; Wacholder, Sholom; Bratti Verdejo, Concepcion; Solomon, Diane; González, Paula; Porras Gutiérrez, Carolina; Jiménez, Silvia E.; Guillén Colombari, Diego; Morales, Jorge; Alfaro, Mario; Cyr, Jean; Morrisey, Kerrygrace; Estrada, Yenory; Cortés Ledezma, Bernal; Morera, Lidia Ana; Freer Bustamante, Enrique; Schussler, John; Schiller, John T.; Lowy, Douglas R.; Schiffman, Mark (2008-09)
      We report the rationale, design, methods and details of participation of a community-based, double-blind, randomized clinical trial of an HPV 16 and 18 vaccine conducted in two provinces of Costa Rica to investigate the ...
    • Risk of miscarriage with bivalent vaccine against human papillomavirus (HPV) types 16 and 18: pooled analysis of two randomised controlled trials 

      Wacholder, Sholom; Chen, Bingshu Eric; Wilcox, Allen; Macones, George; González, Paula; Befano, Brian; Hildesheim, Allan; Rodríguez, Ana Cecilia; Solomon, Diane; Herrero, Rolando; Schiffman, Mark (BMJ. 2010 Mar 2;340:c712. doi: 10.1136/bmj.c712, 2010-03)
      Objective To assess whether vaccination against human papillomavirus (HPV) increases the risk of miscarriage. Design Pooled analysis of two multicentre, phase three masked randomised controlled trials Setting Multicentre ...