Acácio, G. L., Barini, R., Pinto Júnior, W., Ximenes, R. L. S., Pettersen, H., & Faria, M. (2001). Nuchal translucency: an ultrasound marker for fetal chromosomal abnormalities. São Paulo Medical Journal, 119(1), 19–23. Retrieved from https://periodicosapm.emnuvens.com.br/spmj/article/view/2739