Parental Decline of Newborn Vitamin K and Hepatitis B Vaccine Administration by Newborn Sex

This cohort study investigates the association of newborn sex with parental acceptance of vitamin K prophylaxis and hepatitis B vaccine in the US.

Corresponding Author: Sarah A. Coggins, MD, MSCE, CHOP Newborn Care at Pennsylvania Hospital, 800 Spruce St, 2 Cathcart, Philadelphia, PA 19107 (cogginss@chop.edu).

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