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Knight-Jones E, Knight S, Heussler H, Regan R, Flint J, Martin K.Knight-Jones E, et al. Among authors: knight s.Dev Med Child Neurol. 2000 Mar;42(3):201-6. doi: 10.1017/s0012162200000347.Dev Med Child Neurol. 2000.PMID: 10755460Free article.