北京协和医院超声医学科毕业后继续教育教学需求调查
张一休 郭为衡 欧阳云淑 孝梦甦 李建初 潘慧 姜玉新
Post-graduating continuing education training needs survey by department of ultrasound in PUMC Hospital
基础医学与临床 . 2015, (7): 997 -1000 .