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Frequency and clinicopathological associations of K-ras mutations in Venezuelan patients with colo-rectal cancer
ArticleAbstract: Mutations in the K-ras oncogene are common in colo-rectal cancer, which affect the biological behaviPalabras claves:Colo-rectal cancer, K- ras mutations, PrognosticAutores:Borjas L., Cañizales J., Estrada P., Francisco Álvarez-Nava, Rojas J., Rojas-Atencio A.E., Soca L., Soto-Quintana M., Urdaneta K., Zabala W.Fuentes:googlescopusDisminished zinc plasma concentrations and alterations in the number of lymphocyte subpopulations in Down's syndrome patients
ArticleAbstract: Alterations of plasma levels of zinc and in the immune system in Down's syndrome (DS) have been repoPalabras claves:Down syndrome, Lymphocyte subpopulations, ZincAutores:Fernández D., Francisco Álvarez-Nava, Fulcado W., Granadillo V., López E., Ocando A., Rojas-Atencio A.E., Soto-Quintana M.Fuentes:googlescopusMaternal serum screening: Clinical importance of false-positive rate
ArticleAbstract: Maternal serum screening to identify fetal aneuploidies is now routinely offered during the second tPalabras claves:Alpha-fetoprotein, Fetal chromosomal abnormalities, Free beta human chorionic gonadotropin, Maternal serum screening, Prenatal diagnosis, Unconjugated estriolAutores:De Atenciol A., Francisco Álvarez-Nava, Martínez M.C., Morales A., Padrón T., Prieto-Carrasquero M., Soto-Quintana M., Villalobos D.Fuentes:googlescopusMolecular analysis of microdeletions of the Y chromosome in venezuelan males with idiopathic infertility
ArticleAbstract: Today infertility is a major health problem affecting about 10-20% of couples. A male factor is assuPalabras claves:AZF, Azoospermia, Idiopathic infertility, STSsAutores:Borjas-Fajardo L., Fernández-Salgado E., Francisco Álvarez-Nava, Gómez R., Osuna J., Portillo-M M.G., Zabala W., Zambrano M.Fuentes:googlescopusPfeiffer's syndrome associated to cloverleaf skull: First case described in Venezuela
ArticleAbstract: In 1964, Pfeiffer described a syndrome consisting of craniosynostosis, broad thumbs, broad great toePalabras claves:broad thumbs, cloverleaf skull, great toes, Pfeiffer's syndromeAutores:Delgado-Luengo J., Delgado-Luengo W., Francisco Álvarez-Nava, Gomez-Polo G., Gonzalez-Inciarte L., Gonzalez-Inciarte M.E., Martinez-Basalo C., Mora-La Cruz E., Pena J., Rodriguez B.Fuentes:googlescopus