I take it this was a slow day (blank digest 14)? Glenn T. Livezey, Ph.D. Director of Perinatal Research Division of Maternal-Fetal Medicine Department of Obstetrics & Gynecology University of Nebraska Medical Center 600 South 42nd Street Omaha, NE 68198-3255 Phone- 402-559-8064 FAX- 402-559-7126 e-mail glivezey@netserv.unmc.edu