De la Vega, A., Verdiales, M. and Leavitt, G. (2012) “Method of Risk Assessment Affects Acceptance Rate of Amniocentesis”, Puerto Rico Health Sciences Journal, 21(3). Available at: https://prhsj.rcm.upr.edu/index.php/prhsj/article/view/874 (Accessed: 19 December 2025).