@misc{indiciae49c0e63993e5, title = {Childhood hyperkinesis: a return to the source.}, author = {J E Langhorne and J Loney}, year = {1976}, doi = {10.1037//0021-843x.85.2.201}, url = {https://pubmed.ncbi.nlm.nih.gov/1254781/}, note = {Source identifier: 1254781} }