TY  - RPRT
TI  - Sustained attention in hyperactive children.
AU  - D H Sykes
AU  - V I Douglas
AU  - G Morgenstern
PY  - 1973
DO  - 10.1111/j.1469-7610.1973.tb01189.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4750855/
ID  - 4750855
ER  -