Search results for: Eric Vittinghoff
American Journal of Obstetrics and Gynecology > 2006 > 194 > 2 > 332-338
Controlled Clinical Trials > 2004 > 25 > 1 > 104-118
American Journal of Obstetrics and Gynecology > 2006 > 194 > 2 > 332-338
Controlled Clinical Trials > 2004 > 25 > 1 > 104-118