Online textbook: "Developmental Biology" 6th ed. By Scott F. Gilbert (2000) published by Sinauer Associates, Inc. of Sunderland (MA).
Libro de texto online: "Endocrinology: An Integrated Approach" by S. S. Nussey and S. A. Whitehead (2001) published by BIOS Scientific Publishers, Ltd; Oxford, UK.
Texto completo del artículo disponible en Receptor Complex with {beta}-Catenin and TCF4 may Bypass Canonical Wnt Signaling to Downregulate Adipogenic Transcription Factors]" by R. Singing in the Rain, J. N. Artaza, W. E. Taylor, M. Braga, X. Yuan, N. F. Gonzalez-Cadavid and S Bhasin in Endocrinology (2005) Entrez PubMed16210377
Texto completo del artículo disponible en formato PDF: "Testosterone and aggressiveness" by Marco Giammanco, Garden Tabacchi, Santo Giammanco, Danila Di Majo and Maurizio La Guardia in Endocrinology (2005) Entrez PubMed16210377