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Librería 7artes
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Royal Lee’s classic work on the discoveries being unearthed at the beginning of the last century in medical and biological research. Many of these investigations still challenge the status quo, and all of them are a valuable part of the basic repertoire of the researcher. This edition has been painstakingly retyped from the original.
