T. S. KHEDKAR, et al. “IMMUNOCYTOCHEMICAL LOCALIZATION OF UBIQUITIN IN DEVELOPING OCCIPITAL AND PREFRONTAL CORTEX OF HUMAN FETAL BRAIN DURING SECOND TRIMESTER”. The Bioscan, vol. 7, no. 3, June 2012, pp. 419-22, https://thebioscan.com/index.php/pub/article/view/1060.