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R. D. Murdoch, Research Fellow Guy's Campus, United Medical and Dental Schools, London
M. H. Lessof, Professor of Medicine Guy's Campus, United Medical and Dental Schools, London
I. Pollock, Research Registrar The Cardiothoracic Institute, Brompton Hospital, London
E. Young, Senior Registrar in Dermatology Dermatology Department, Wycombe General Hospital, High Wycombe, Bucks
