Hill, H. A., Yankey, D., Elam-Evans, L. D., Singleton, J. A., Pingali, S. C., & Santibanez, T. A. (2020). Vaccination Coverage by Age 24 Months Among Children Born in 2016 and 2017 — National Immunization Survey-Child, United States, 2017–2019. MMWR Morb Mortal Wkly Rep.

Hill, Holly A., David Yankey, Laurie D. Elam-Evans, James A. Singleton, S. Cassandra Pingali, and Tammy A. Santibanez. "Vaccination Coverage By Age 24 Months Among Children Born in 2016 and 2017 — National Immunization Survey-Child, United States, 2017–2019." MMWR Morb Mortal Wkly Rep 2020.

Hill, Holly A., et al. "Vaccination Coverage By Age 24 Months Among Children Born in 2016 and 2017 — National Immunization Survey-Child, United States, 2017–2019." MMWR Morb Mortal Wkly Rep 2020.