@misc{indiciaec9056797cedd, title = {An ethological study on behavioural differences between hyperactive, aggressive, combined hyperactive/aggressive and control children.}, author = {J K Buitelaar and S H Swinkels and H de Vries and R J van der Gaag and J A van Hooff}, year = {1994}, doi = {10.1111/j.1469-7610.1994.tb01285.x}, url = {https://pubmed.ncbi.nlm.nih.gov/7868638/}, note = {Source identifier: 7868638} }