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  • Published: 12 May 1977

USA

  • Colin Norman 

Nature volume 267, page 98 (1977)Cite this article

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  1. Colin Norman
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Norman, C. USA. Nature 267, 98 (1977). https://doi.org/10.1038/267098a0

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  • Issue date: 12 May 1977

  • DOI: https://doi.org/10.1038/267098a0

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