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Tobin MV, Morris AI.Tobin MV, et al.Postgrad Med J. 1988 Dec;64(758):953-5. doi: 10.1136/pgmj.64.758.953.Postgrad Med J. 1988.PMID: 3256815Free PMC article.
Tobin MV, Jenkins SA, Gosney JR, Gilmore IT.Tobin MV, et al.Postgrad Med J. 1989 May;65(763):331-2. doi: 10.1136/pgmj.65.763.331.Postgrad Med J. 1989.PMID: 2575252Free PMC article.