He, Xu, Hongling Zhao, Linxia Shi, Wei Wang, and Xiong Yuan. “Relation Between Serum Beta-Endorpin, Neuropeptide Y and Thyroid Hormone in Children With Anorexia”. Journal of the Pakistan Medical Association 73, no. 4 (March 15, 2023): 886–887. Accessed May 26, 2026. https://jpma.org.pk/index.php/public_html/article/view/6616.