“STR - Analysis of Maternal and Foetal DNA in Human Placenta: A Preliminary Study”. Journal of Biological Research - Bollettino della Società Italiana di Biologia Sperimentale 81, no. 1 (January 31, 2006). Accessed May 1, 2026. https://www.pagepressjournals.org/jbr/article/view/8073.