Cherifa, Aggoun, et al. “METHIONINE SUPPLEMENTATION INDUCES THYMUS VEGF-A EXPRESSION AND HEMATOLOGICAL CHANGES IN RATS”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 7, no. 2, Feb. 2015, pp. 234-8, https://www.journals.innovareacademics.in/index.php/ijpps/article/view/3875.