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El desarrollo del embrión durante la maduración y germinación de la bellota [PDF]

open access: yes, 1989
Molinas i de Ferrer, Ma. Lluïsa   +1 more
core  

Does Resolution 8430 of 1993 respond to the current needs of ethics in health research with human beings in Colombia? [PDF]

open access: yesBiomedica, 2019
Mateus JC   +6 more
europepmc   +1 more source

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