Exploring research trends and hotspots on PCSK9 inhibitor studies: a bibliometric and visual analysis spanning 2007 to 2023 - Lai, Ping; Xu, Shuquan; Liu, Ziyou; Ling, Jiayuan; Tian, Kejun; Yan, Jianwei; Chen, Dong; Zhong, Yiming; Xue, Jinhua (Frontiers in Cardiovascular Medicine, 2024)