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How is knowledge measured? How long does it take us to reflect on something and how long to express our thoughts? Such is the dilemma that the human, social and economic sciences go through, since they face the challenge...

This edition covers the embryology since the preparation of fertilizing cells in spermatogenesis and the menstrual cycle; fertilization and implantation; including the first weeks of development, placenta development, ba...

The Health Sciences Faculty of the Universidad Tecnológica de Pereira has been advancing in the generation of new knowledge and has explored various fields of knowledge. This book presents four pieces of research that h...