Manzoor, Shagufta, et al. “TERATOGENIC EFFECTS OF TOPICALLY APPLIED PARAPHENYLENEDIAMINE ON THE RAT FOETUS”. Pakistan Journal of Physiology, vol. 18, no. 2, June 2022, pp. 15-21, https://pjp.pps.org.pk/index.php/PJP/article/view/1412.