| 1998 | | Prenatal Cytogenetic Diagnosis with Fetal Ascitic Fluid as a Rapid Chromosome Analysis | 김행수, 양정인, 오기석 |
| 2003 | | TDx-FLM Test to Determine the Fetal Lung Maturity | 김행수, 변영지, 양정인, 오기석, 유승철, 유희석 |
| 1997 | | The Clinical Efficacy of Lamellar Body Count to Predict Fetal Lung Maturity | 권혁찬, 김행수, 양정인, 오기석, 유희석, 장기홍 |
| 1998 | | The Clinical Implications of Cellular Adhesion Molecules in Patients with Pregnancy Induced Hypertension | 권혁찬, 김행수, 양정인, 오기석 |
| 1997 | | The Effects of Free Radical Scavenger, Rutin, on the Development and the Cell Number | 권혁찬, 김행수, 오기석, 유희석, 황경주 |
| 1996 | | The Efficacy of Endoluminal Ultrasound System (EUS) as an Optional Baseline Study of Early Stage Cervical Cancer | 권혁찬, 김행수, 양정인, 오기석, 유희석, 이은주, 장기홍 |
| 2004 | | The Plasma Level of Matrix Metalloproteinase (MMP)-2, -9 between Antepartum and Postpartum Period in Preeclampsia | 김행수, 양정인, 오기석, 유희석, 장혜진 |
| 2002 | | The Significance of Normal 100 gm Oral Glucose Tolerance Test on Perinatal Outcomes | 김행수, 양정인, 오기석, 유희석 |
| 2002 | | Twin Pregnancies: In Vitro Fertilization vs. Spontaneously Conceived | 김미란, 김행수, 양정인, 오기석, 유희석, 황경주 |
| 1999 | | Two Case of Twin Pregnancy with a Single Anomalous Fetus | 김행수, 양정인, 오기석 |
| 2003 | | Umbilical Nucleated Red Blood Cell Counts and Perinatal Outcome According to Doppler End-Diastolic Velocity on Severe Preeclampsia | 김행수, 양정인, 오기석, 유희석 |
| 1999 | | Unilateral Congenital Diaphragmatic Eventration Mimicking Congenital Diaphragmatic Hernia | 김행수, 양정인, 오기석, 홍정 |
