Kang, J., Park, E., Yang, Y., Park, M., & Park, W. I. (2013). Crown-Rump Length Measured in the Early First Trimester as a Predictor of Low Birth Weight. Yonsei University College of Medicine.

Kang, Jae-Yul, Eun-Ju Park, Yun-Suk Yang, Mira Park, και Won I. Park. Crown-Rump Length Measured in the Early First Trimester As a Predictor of Low Birth Weight. Yonsei University College of Medicine, 2013.

Kang, Jae-Yul, et al. Crown-Rump Length Measured in the Early First Trimester As a Predictor of Low Birth Weight. Yonsei University College of Medicine, 2013.