Correlation between Vitamin B12 and Mental Health in Children and Adolescents: A Systematic Review and Meta-analysis. - Yongjun Tan; Li Zhou; Kaiqi Gu; Caihong Xie; Yuhan Wang; Lijun Cha; Youlin Wu; Jiani Wang; Xiaosong Song; Xia Chen; Hua Hu; Qin Yang (Clinical Psychopharmacology & Neuroscience, 2023)