Authors: Michelle M. Mello, JD, Ph.D., Sara Abiola, JD, Ph.D., and James Colgrove, PhD Abstract:   Objectives. We sought to investigate roles that Merck & Co Inc played in state human papillomavirus (HPV) immunization policymaking, to elicit key stakeholders’ perceptions of the appropriateness of these activities, and to explore implications for relationships between health policymakers and industry. […]