Santiago NM* and Maria LGS
In this article we carry out a methodological reflection which is diving in the thought and work of the scientist Claude Bernard, researcher recognized universal prestige and has made a brilliant intellectual contribution to the field of experimental research from the field of medicine, always putting us at the time and when he developed his scientific activity. And we do making a parallel between what carries scientific observational practice and experimental, trying to radiate his thought to all those concerned professionals and occupied by the knowledge and application of the various methodological techniques century and a half after the lived time by Bernard.
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