Tang, Z [One case of contrast-free percutaneous coronary intervention guided by intravascular ultrasound]. [electronic resource] - Zhonghua xin xue guan bing za zhi 07 2019 - 572-574 p. digital Publication Type: Case Reports; Journal Article ISSN: 0253-3758 Standard No.: 10.3760/cma.j.issn.0253-3758.2019.07.012 doi Subjects--Topical Terms: Coronary AngiographyDrug-Eluting StentsPercutaneous Coronary InterventionUltrasonography, Interventional