Hopfer, S., Wright, M. E., Pellman, H., Wasserman, R., & Fiks, A. G. (2019). HPV vaccine recommendation profiles among a national network of pediatric practitioners: Understanding contributors to parental vaccine hesitancy and acceptance. Hum Vaccin Immunother.

Hopfer, Suellen, Margaret E. Wright, Harry Pellman, Richard Wasserman, e Alexander G. Fiks. "HPV Vaccine Recommendation Profiles Among a National Network of Pediatric Practitioners: Understanding Contributors to Parental Vaccine Hesitancy and Acceptance." Hum Vaccin Immunother 2019.

Hopfer, Suellen, et al. "HPV Vaccine Recommendation Profiles Among a National Network of Pediatric Practitioners: Understanding Contributors to Parental Vaccine Hesitancy and Acceptance." Hum Vaccin Immunother 2019.