In this group of 17 patients with congenital coronary artery fistula (CCAF), right CCAF occurred in 14 patients and left CCAF in the remaining 3 patients.
先天性冠状动脉瘘(CCAF) 17例起源于右冠状动脉者14例，起源于左冠状动脉者3例。
CCAF also facilitates selected professional certification and recognition for airmen.
ccaf也便于选定的专业认证和识别进场。
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