消痔灵与PPH治疗直肠黏膜内脱垂的临床效果观察
林荣杰1，李国栋2，韩〓宝1
Journal of Hebei Medical University . 2017, (4): 468 -471 .  DOI: 10.3969/j.issn.10073205.2017.04.024