1. , , , (1987). Early genetic amniocentesis: a prospective study of 219 patients, International Symposium, First Trimester Diagnosis and Therapy, Chicago, Abstract 16.
2. Intrauterine membranes: Sonographic findings and clinical significance
3. , , , (1987). Feto-placental discrepancies: possible role of first trimester amniocentesis, International Symposium, First Trimester Genetic Diagnosis and Therapy, Chicago, Abstract 7.
4. , , , , (1988). First trimester amniocentesis: an alternative to CVS, 4th International Conference on Chorionic Villus Sampling and Early Prenatal Diagnosis, Athens, Abstract 79.
5. SPONTANEOUS FETAL LOSS RATE IN EARLY PREGNANCY