目的观察硬膜外连续泵注罗哌卡因与芬太尼用于分娩镇痛的有效性和安全性.方法选择足月、头位、初产产妇98例,产程进展宫口开至3 cm......

Retinal laser photocoagulation is a proven, effective treatment for various retinal disorders, including diabetic retino......