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PHYSIOLOGICAL ONTOGENY : A. CHICKEN EMBRYOS. V. ON THE RATE OF THE HEART BEAT DURING THE DEVELOPMENT OF CHICKEN EMBRYOS.
These experiments show, then, that there are changes in rate which take place during the incubation period and that the direction of the curve expressing them changes in an orderly fashion. No attempt has yet been made to ascertain the influences operative in bringing about these alterations. It is...
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Formato: | Texto |
Lenguaje: | English |
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The Rockefeller University Press
1925
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2131007/ https://www.ncbi.nlm.nih.gov/pubmed/19869052 |