McFarlin, B. L., Kumar, V., Bigelow, T. A., Simpson, D. G., Traut, R. C. W., Abramowicz, J. S., & O’Brien, W. D. (2015). Beyond Cervical Length: A pilot study of ultrasonic attenuation for early detection of preterm birth risk. Ultrasound Med Biol.

McFarlin, Barbara L., Viksit Kumar, Timothy A. Bigelow, Douglas G. Simpson, Rosemary C. White Traut, Jacques S. Abramowicz, a William D. O’Brien. "Beyond Cervical Length: A Pilot Study of Ultrasonic Attenuation for Early Detection of Preterm Birth Risk." Ultrasound Med Biol 2015.

McFarlin, Barbara L., et al. "Beyond Cervical Length: A Pilot Study of Ultrasonic Attenuation for Early Detection of Preterm Birth Risk." Ultrasound Med Biol 2015.