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References
Martin, R. D. & MacLarnon, A. M. Nature 313, 220–223 (1985).
Portmann, A. Biomorphosis 1, 109–126 (1938).
Portmann, A. Revue suisse Zool. 48, 511–518 (1941).
Martin, R. D. Human Brain Evolution in an Ecological Context (American Museum of Natural History, New York, 1983).
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MARTIN, R., MACLARNON, A. Maternal investment in mammals. Nature 321, 538 (1986). https://doi.org/10.1038/321538a0
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DOI: https://doi.org/10.1038/321538a0
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