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Ball S, Robinson A, Shekhar A, Walsh K.Ball S, et al.J Nerv Ment Dis. 1997 Dec;185(12):755-60. doi: 10.1097/00005053-199712000-00006.J Nerv Ment Dis. 1997.PMID: 9442187
Ball SG, Buchwald AM, Waddell MT, Shekhar A.Ball SG, et al.J Nerv Ment Dis. 1995 May;183(5):304-8. doi: 10.1097/00005053-199505000-00005.J Nerv Ment Dis. 1995.PMID: 7745384
Ball SG, Baer L, Otto MW.Ball SG, et al.Behav Res Ther. 1996 Jan;34(1):47-51. doi: 10.1016/0005-7967(95)00047-2.Behav Res Ther. 1996.PMID: 8561764Review.
Otto MW, Pollack MH, Ball SG, Rosenbaum JF.Otto MW, et al. Among authors: ball sg.NIDA Res Monogr. 1995;150:143-66.NIDA Res Monogr. 1995.PMID: 8742777No abstract available.