Li, L., X. Wei, X. Geng, Z. Duan, X. Wang, P. Li, C. Wang, and L. Wei. “Impairment of Chondrocyte Proliferation After Exposure of Young Murine Cartilage to an Aged Systemic Environment in a Heterochronic Parabiosis Model”. Swiss Medical Weekly, vol. 148, no. 1718, Apr. 2018, p. w14607, doi:10.4414/smw.2018.14607.