hours later, bilateral common carotid artery was separated and the blood flow was blocked by bulldog clamp.
hours later, bilateral common carotid artery was separated and the blood flow was blocked by bulldog clamp.
h后再分离双侧颈总动脉,用动脉夹阻断血流。
hours later, bilateral common carotid artery was separated and the blood flow was blocked by bulldog clamp.
h后再分离双侧颈总动脉,用动脉夹阻断血流。