Lee, Siow Ping, et al. “Bilateral Genu Valgum in an Adolescent With Primary Hyperparathyroidism: A Case Report and Review of Literature”. Journal of the ASEAN Federation of Endocrine Societies, vol. 35, no. 2, Nov. 2020, pp. 220-3, doi:10.15605/jafes.035.02.07.