R. W. Zalar

Early cervical length, preterm prelabor and gestational age at delivery. Is there a relationship?

R. W. Zalar, 1998, The Journal of reproductive medicine.

Transvaginal Ultrasound and Preterm Prelabor: A Nonrandomized Intervention Study

R. W. Zalar, 1996, Obstetrics and gynecology.

The influence of scalp sampling on the cesarean section rate for fetal distress.

E. Quilligan, R. W. Zalar, 1979, American journal of obstetrics and gynecology.