1. CDC. February 2021. “Immunization Schedules for Health Care Providers.”
https://www.cdc.gov/vaccines/schedules/hcp/imz/child-adolescent.html
[Accessed April 2021]

2. Children’s National. Accessed April 2021. “Universal Cholesterol Screening Referral Guidelines.”
https://childrensnational.org/healthcare-providers/refer-a-patient/referral-guidelines/universal-cholesterol-screening-guidelines