The effect of sildenafil on lower esophageal sphincter and body motility in normal male adults

The American Journal of Gastroenterology - Tập 96 - Trang 3251-3257 - 2001
Poong-Lyul Rhee1, Jae Geun Hyun1, Jun Haeng Lee1, Young-Ho Kim1, Hee Jung Son1, Jae J Kim1, Seung Woon Paik1, Jong Chul Rhee1, Kyoo Wan Choi1
1Division of Gastroenterology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea