1. [Genetic code chart] Publication: Bethesda, MD : U.S. National Library of Medicine, National Institutes of Health, Health & Human Services, [2010] Subject(s): Genetic StructuresGenetic CodeNirenberg, Marshall W.Matthaei, Heinrich.
2. Diagnostico de la infección por el vih-sida Publication: [Ecuador : s.n.], 1992 Subject(s): Acquired Immunodeficiency Syndrome -- diagnosisAcquired Immunodeficiency Syndrome -- prevention & controlDiagnostic Techniques and Procedures
