M. Van de Meerssche

Prevention of twin pregnancy after in-vitro fertilization or intracytoplasmic sperm injection based on strict embryo criteria: a prospective randomized clinical trial.

D. De Neubourg, J. Gerris, E. van Royen, 1999, Human Reproduction.

Cervical pregnancy: three case reports and a review of the literature.

Y. Jacquemyn, J. Gerris, R. Serreyn, 1995, Human reproduction.

Characterization of a top quality embryo, a step towards single-embryo transfer.

D. De Neubourg, J. Gerris, E Van Royen, 1999, Human reproduction.