Melatonin alleviates vascular calcification and ageing through exosomal miR‐204/miR‐211 cluster in a paracrine manner. - Xu, Feng; Zhong, Jia‐Yu; Lin, Xiao; Shan, Su‐Kang; Guo, Bei; Zheng, Ming‐Hui; Wang, Yi; Li, Fuxingzi; Cui, Rong‐Rong; Wu, Feng; Zhou, En; Liao, Xiao‐Bo; et al. (Journal of Pineal Research, 2020)