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Research Article|
November 01 1969
A Working Model of the Heart
The American Biology Teacher (1969) 31 (8): 514–516.
Citation
R. C. De Vries, C. R. De Vries; A Working Model of the Heart. The American Biology Teacher 1 November 1969; 31 (8): 514–516. doi: https://doi.org/10.2307/4442792
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