Distinct serum micronutrient metabolic profiles in Parkinson's disease patients with diabetes mellitus: associations with motor and non-motor symptoms. - Feng, Tingting; Tuersong, Tayier; Wang, Xiaobei; Li, Peishan; Shang, Shuying; Yang, Pengbo; Pan, Yue; Yang, Xinling (Nutritional Neuroscience, 2026)