Nursing of a patient undergoing transcatheter aortic valve implantation for aortic valve stenosis and lower limb artery occlusion (1例主动脉瓣狭窄合并下肢动脉闭塞患者经导管主动脉瓣置换术的护理) - SI Shanshan (斯珊珊) (中西医结合护理, 2023)