[Effects of Pingyangmycin albumin microspheres on sclerostenosis of the rabbit central auricular arteries].

Purpose: The aim of this study was to investigate the mechanism of Pingyangmycin-albumin microspheres (PYM-AMS) acted on the rabbit central auricular arteries.

Methods: In the study of randomized block design, 24 Japanese white rabbits were divided into 4 groups, 6 rabbits in each group. The animals were put on the operation table after being anaesthetized by intramuscular injection of Xumianxin (0.