R. L. Fischer

Chronic, massive fetomaternal hemorrhage treated with repeated fetal intravascular transfusions.

R. Wapner, O. Montgomery, J. Grover, 1990, American journal of obstetrics and gynecology.

Selective reduction of multifetal pregnancies

R. Wapner, A. Johnson, F. Chervenak, 1990, The Lancet.

Doppler Evaluation of Umbilical and Uterine- Arcuate Arteries in the Postdates Pregnancy

R. Wapner, K. Kuhlman, R. L. Fischer, 1991, Obstetrics and gynecology.

Anemia vs iron deficiency: increased risk of preterm delivery in a prospective study.

R. Fischer, M. Hediger, T. Scholl, 1992, The American journal of clinical nutrition.

Low zinc intake during pregnancy: its association with preterm and very preterm delivery.

C. Khoo, M. Hediger, T. Scholl, 1993, American journal of epidemiology.