TY JOUR TI Global research trends in the field of Attention Deficit Hyperactivity Disorder biomarkers from 2013 to 2023: A bibliometric study KW Attention deficit hyperactivity disorder KW Biomarkers JO Scientific notes of P. F. Lesgaft University AU Hong, Y.. AU Jing, Y.. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft