Cite
First trimester Down syndrome screening is less effective and the number of invasive procedures is increased in women younger than 35 years of age.
MLA
Peuhkurinen, Sini, et al. “First Trimester Down Syndrome Screening Is Less Effective and the Number of Invasive Procedures Is Increased in Women Younger than 35 Years of Age.” Journal of Evaluation in Clinical Practice, vol. 19, no. 2, Apr. 2013, pp. 324–26. EBSCOhost, https://doi.org/10.1111/j.1365-2753.2012.01826.x.
APA
Peuhkurinen, S., Laitinen, P., Ryynanen, M., & Marttala, J. (2013). First trimester Down syndrome screening is less effective and the number of invasive procedures is increased in women younger than 35 years of age. Journal of Evaluation in Clinical Practice, 19(2), 324–326. https://doi.org/10.1111/j.1365-2753.2012.01826.x
Chicago
Peuhkurinen, Sini, Paivi Laitinen, Markku Ryynanen, and Jaana Marttala. 2013. “First Trimester Down Syndrome Screening Is Less Effective and the Number of Invasive Procedures Is Increased in Women Younger than 35 Years of Age.” Journal of Evaluation in Clinical Practice 19 (2): 324–26. doi:10.1111/j.1365-2753.2012.01826.x.