Departments of Obstetrics and Gynecology and Medical Research, Mackay Memorial Hospital and National Yang-Ming University, 92, Section 2, Chung-Shan North Road, Taipei, Taiwan, Republic of China
Received: 27 March 2000; accepted as revised: 20 April 2000
Correspondence to Chih-Ping Chen, MD, Department of Obstetrics and Gynecology, Mackay Memorial Hospital, 92, Section 2, Chung-Shan North Road, Taipei, Taiwan, Republic of China Tel: + 886 (2) 2543 3535; Fax: + 886 (2) 2543 3642; E-mail: [email protected]