Kaiser, M.L.; Schoemaker, M.M.; Albaret, J.M.; Geuze, R.H. (January 2015). "What is the evidence of impaired motor skills and motor control among children with attention deficit hyperactivity disorder (ADHD)? Systematic review of the literature". Research in Developmental Disabilities. 36: 338–357. doi:10.1016/j.ridd.2014.09.023. PMID25462494.
Kaiser, M.L.; Schoemaker, M.M.; Albaret, J.M.; Geuze, R.H. (January 2015). "What is the evidence of impaired motor skills and motor control among children with attention deficit hyperactivity disorder (ADHD)? Systematic review of the literature". Research in Developmental Disabilities. 36: 338–357. doi:10.1016/j.ridd.2014.09.023. PMID25462494.
"Barry Beyerstein Q&A". Ask the Scientists. Scientific American Frontiers. Archived from the original on 2007-02-20. Retrieved 2008-02-22. "they simply interpret the way we form these various features on the page in much the same way ancient oracles interpreted the entrails of oxen or smoke in the air. I.e., it's a kind of magical divination or fortune telling where 'like begets like.'"
"Barry Beyerstein Q&A". Ask the Scientists. Scientific American Frontiers. Archived from the original on 2007-02-20. Retrieved 2008-02-22. "they simply interpret the way we form these various features on the page in much the same way ancient oracles interpreted the entrails of oxen or smoke in the air. I.e., it's a kind of magical divination or fortune telling where 'like begets like.'"