T. Helmerhorst

Observer agreement on interpreting colposcopic images of CIN.

P. Kenemans, F. Voorhorst, T. Helmerhorst, 1995, Gynecologic oncology.

Colposcopic findings and intraepithelial neoplasia in diethylstilbestrol-exposed offspring. The Dutch experience.

P. Kenemans, T. Helmerhorst, H. Stolk, 1989, American journal of obstetrics and gynecology.