Lidia Márquez

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OBJECTIVE To identify the patients' experience of cardiac catheterization. DESIGN Descriptive, qualitative, phenomenologic. SETTING Large southeastern teaching hospital with an active cardiac catheterization laboratory and research center. PATIENTS Ten men, between 44 and 73 years of age, who had undergone their first cardiac catheterization. (More)
Obsessive-compulsive disorder (OCD) is a psychiatric disorder whose etiology is not yet known. We investigate the role of three variants of the BDNF gene (rs6265, rs1519480 and rs7124442) by single SNP and haplotype analysis in OCD Mexican patients using a case-control and family-based association design. BDNF gene variants were genotyped in 283 control(More)
A study of seroprevalence of Helicobacter pylori determined by ELISA IgG, was conducted in 83 consecutive healthy children. The majority of the children (55%) had the bacterium. Seropositivity was demonstrated in 55% of the age group 0-5 years old, in 47% of 6-10, and in 67%, of the group 11 to 15. Of the children without sanitary inside their homes 86%(More)
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