Correction: Baicalin promotes apoptosis and inhibits proliferation and migration of hypoxia-induced pulmonary artery smooth muscle cells by up-regulating A2a receptor via the SDF-1/CXCR4 signaling pathway - Xiaoying Huang; Wei Mao; Ting Zhang; Meibin Wang; Xuetao Wang; Yaozhe Li; Lin Zhang; Dan Yao; Xueding Cai; Liangxing Wang (BMC, 2023)