Now showing items 1-3 of 3

    • Bischof, P.; Aplin, J. D.; Bentin-Ley, U.; Brannstrom, M.; Casslen, B.; Castrillo, J. L.; Classen-Linke, I.; Critchley, H. O.D.; Devoto, Luigi; D'Hooghe, T.; Horcajadas, J. A.; Groothuis, P.; Ivell, R.; Pongrantz, I.; Macklon, N. S.; Sharkey, A.; Vicovac, L.; White, J. O.; Wi (2006)
      Infertility is an increasing problem all over the world, and it has been estimated that 10-15% of couples in fertile age have fertility problems. Likewise induced unsafe abortion is a serious threat to women's health. ...
    • Valenzuela, Carlos Y. (1997)
      The analysis of the early human life from the view point of a scientific ethics is presented. Life is a historical materioenergetic process of specific organization. This phylo-ontogenetic process is a continuos process ...
    • Smok, Carolina; Roa, Ignacio; Prieto, Ruth; Rojas, Mariana (Universidad de la Frontera, 2018)
      Durante el período del desarrollo conocido como prefetal, el embrión cambia sus características ictiomórficas comunes a todos los vertebrados y adquiere gradualmente las formas propias de la especie que representa. Durante ...