Gilkey MB, Grabert BK, Heisler-MacKinnon J, Bjork A, Boynton MH, Kim K, Alton Dailey S, Liu A, Todd KG, Schauer SL, Sill D, Coley S, Brewer NT. Coaching and Communication Training for HPV Vaccination: A Cluster Randomized Trial. Pediatrics. 2022 Aug 01; 150(2).