Buerki-Thurnherr, Tina, Ursula von Mandach, and Peter Wick. “Knocking at the Door of the Unborn Child: Engineered Nanoparticles at the Human Placental Barrier”. Swiss Medical Weekly 142, no. 1314 (March 25, 2012): w13559. Accessed May 10, 2024. https://smw.ch/index.php/smw/article/view/1460.