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Limited list of drugs
R. Diu, E.A. Coulson, D. Sapsford, F.H. Muir, D.R.C. Jonas, M.V.S. Setty, C.U. Muir, T.P. Lister, S.J. Dove, D. Markwell and A.M. O'Leary
The Journal of the Royal College of General Practitioners 1985; 35 (272): 147.