Association of female sex with refusal of newborn vitamin K and hepatitis B vaccine administration

Sarah A. Coggins, Children's Hospital of Philadelphia, Philadelphia, PA, United States; Dustin D. Flannery, Children's Hospital of Philadelphia, Wynnewood, PA, United States; Karen M. Puopolo, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, United States; Sagori Mukhopadhyay, Childrens Hospital of Philadelphia, Philadelphia, PA, United States