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Brackbill Y, Douthitt TC, West H.Brackbill Y, et al.J Pediatr. 1973 Jan;82(1):82-4. doi: 10.1016/s0022-3476(73)80017-4.J Pediatr. 1973.PMID: 4681872No abstract available.
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Brackbill Y, Levy CM, Schroder K.Brackbill Y, et al.J Psychol. 1982 Mar;110(2d Half):211-5. doi: 10.1080/00223980.1982.9915342.J Psychol. 1982.PMID: 7069639No abstract available.