Schering Symposium on Intrinsic and Extrinsic Factors in Early Mammalian Development.
Edited by Gerhard Raspe. Pp. 653. (Pergamon: Oxford and New York; Vieweg and Sohn, GmbH: Braunschweig, September 1971.) £12.50.
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MCLAREN, A. Factors in Development. Nature 237, 239–240 (1972). https://doi.org/10.1038/237239b0
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DOI: https://doi.org/10.1038/237239b0