Li, H., Yue, X., Wang, C., Feng, J., Wang, B., & Jia, F. (2020). Serum Levels of Vitamin A and Vitamin D and Their Association With Symptoms in Children With Attention Deficit Hyperactivity Disorder. Front Psychiatry.

Li, Hong-Hua, Xiao-Jing Yue, Cheng-Xin Wang, Jun-Yan Feng, Bing Wang, and Fei-Yong Jia. "Serum Levels of Vitamin A and Vitamin D and Their Association With Symptoms in Children With Attention Deficit Hyperactivity Disorder." Front Psychiatry 2020.

Li, Hong-Hua, et al. "Serum Levels of Vitamin A and Vitamin D and Their Association With Symptoms in Children With Attention Deficit Hyperactivity Disorder." Front Psychiatry 2020.