Eugene C. Toy, MD is a dual certified family physician and ob/gyn and is Academic Chief and Program Director for the Obstetrics and Gynecology residency at The Methodist Hospital in Houston, Texas. He also oversees the ob/gyn clerkship at Christus-St. Joseph Hospital and is actively involved in teaching medical students. William E. Seifert, Jr., PhD is Senior Lecturer and Medical Biochemistry Course Director in the Department of Biochemistry and Molecular Biology at The University of TexasHouston Medical School. Henry W. Strobel, PhD is Professor in the Department of Biochemistry and Molecular Biology; Assistant Dean for Student Affairs; and Associate Dean for Faculty Affairs at The University of TexasHouston Medical School. Konrad P. Harms, MD is Associate Program Director and Director of Academic Development for the Obstetrics and Gynecology Residency Program at The Methodist Hospital in Houston, Texas.Toy, Eugene C. is the author of 'Case Files Obstetrics and Gynecology', published 2008 under ISBN 9780071486651 and ISBN 0071486658.