Homan, K., Matthews, A., Schmit, T., McIlrath, B., , Kransdorf, L., & Sim, L. (1969). Insufficient Assessment and Treatment of Vitamin D in the Medical Management of Adolescents with Anorexia Nervosa. Journal of Pediatric Nursing, 60, 177-180. https://doi.org/10.1016/j.pedn.2021.06.014 (Original work published 1969)