Volume 68; Issue 7

1st July 1981

Article

Authors: Edmundo Machado Ferraz, Horacio Alipio Ferreira Filho, Tercio Souto Bacelar, Claudio Moura Lacerda, Ayrton Ponce de Souza, Salomao Kelner et al.

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Article

Authors: Elizabeth Mowat, A. Gunn, C. R. Paterson

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Article

Authors: P. C. G. Morton, J. T. Terblanche, P. C. Bornman, J. C. H. Tyrrell

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Article

Authors: Kyi‐Toe Tham, Ping‐Chung Leung, Daisy Saw, Elaine Gwi

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Article

Authors: A. T. M. Ghoneim, J. McGoldrick, P. W. H. Blick, M. W. Flowers, A. K. Marsden, D. H. Wilson et al.

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Article

Authors: J. W. R. Peyton, J. Crosbie, T. K. Bell, A. D. Roy, William Odling‐Smee

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