The umbilical vein in the human fetus has a non-linear growth pattern across gestation.

MLA

Najafzadeh, Afrooz, et al. “The Umbilical Vein in the Human Fetus Has a Non-Linear Growth Pattern across Gestation.” Australasian Journal of Ultrasound in Medicine, vol. 19, no. 3, Aug. 2016, pp. 99–104. EBSCOhost, https://doi.org/10.1002/ajum.12018.

APA

Najafzadeh, A., Jacoby, P., Mattes, E., & Dickinson, J. E. (2016). The umbilical vein in the human fetus has a non-linear growth pattern across gestation. Australasian Journal of Ultrasound in Medicine, 19(3), 99–104. https://doi.org/10.1002/ajum.12018

Chicago

Najafzadeh, Afrooz, Peter Jacoby, Eugen Mattes, and Jan E Dickinson. 2016. “The Umbilical Vein in the Human Fetus Has a Non-Linear Growth Pattern across Gestation.” Australasian Journal of Ultrasound in Medicine 19 (3): 99–104. doi:10.1002/ajum.12018.