Matters Arising | Published:

Maternal investment in mammals

Naturevolume 321page538 (1986) | Download Citation


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    Martin, R. D. & MacLarnon, A. M. Nature 313, 220–223 (1985).

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    Portmann, A. Biomorphosis 1, 109–126 (1938).

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    Portmann, A. Revue suisse Zool. 48, 511–518 (1941).

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    Martin, R. D. Human Brain Evolution in an Ecological Context (American Museum of Natural History, New York, 1983).

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  1. Department of Anthropology, University College London, Gower Street, London, WC1E 6BT, UK

    • R. D. MARTIN
    •  & A. M. MACLARNON


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