Sartori-Cintra, Angelica Rossi, et al. “Regulation of Hypoxia-Inducible Factor-1α (HIF-1α) Expression by Interleukin-1β (IL-1 β), Insulin-Like Growth Factors I (IGF-I) and II (IGF-II) in Human Osteoarthritic Chondrocytes”. Clinics, vol. 67, no. 1, Jan. 2012, pp. 35-40, https://doi.org/10.1590/S1807-59322012000100006.