CHALMERS, J. M.D., F.R.C.S., F.R.C.S.E.; BARCLAY, A. B.Sc.; DAVISON, A. M. B.SC, M.B., CH.B.; MACLEOD, D. A. D. M.B., CH.B.; WILLIAMS, D. A. M.A. Author Information
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Chalmers et al. (1969) studied this question.