@misc{indiciae5de7133d77c3, title = {Hyperactivity. Symptom complex or complex symptom?}, author = {M D Levine and F Oberklaid}, year = {1980}, doi = {10.1001/archpedi.1980.04490010063018}, url = {https://pubmed.ncbi.nlm.nih.gov/7369205/}, note = {Source identifier: 7369205} }