Extended Follow Up of Young Women in Costa Rica Who Received Vaccine for Human Papillomavirus Types 16 and 18 and Unvaccinated Controls
National Cancer Institute (NCI)
National Cancer Institute (NCI)
National Institutes of Health Clinical Center (CC)
Novartis
Brigham and Women's Hospital
National Institutes of Health Clinical Center (CC)
Merck Sharp & Dohme LLC
Instituto do Cancer do Estado de São Paulo
Ohio State University Comprehensive Cancer Center
Beijing Health Guard Biotechnology, Inc