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Johnston SD, McNulty O, Mayne E, Callender ME.Johnston SD, et al. Among authors: callender me.Ulster Med J. 1998 Nov;67(2):134-6.Ulster Med J. 1998.PMID: 9885554Free PMC article.
Dickey W, McAleer JJ, Callender ME.Dickey W, et al. Among authors: callender me.Ulster Med J. 1991 Apr;60(1):49-52.Ulster Med J. 1991.PMID: 1853497Free PMC article.
McAleer JJ, Dickey W, Clarke R, Johnston GW, Callender ME.McAleer JJ, et al. Among authors: callender me.Postgrad Med J. 1987 Jul;63(741):583-4. doi: 10.1136/pgmj.63.741.583.Postgrad Med J. 1987.PMID: 2821526Free PMC article.
McClements BM, Callender ME.McClements BM, et al. Among authors: callender me.Ulster Med J. 1990 Oct;59(2):217-20.Ulster Med J. 1990.PMID: 2278123Free PMC article.No abstract available.
McClements BM, Shanks JH, Hill CM, Cameron CH, Callender ME.McClements BM, et al. Among authors: callender me.Ulster Med J. 1991 Oct;60(2):229-34.Ulster Med J. 1991.PMID: 1785159Free PMC article.Review.No abstract available.