Luis H. Perez

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Aims: The aim of this study was to assess the association between overweight, diabetes, stress and other postulated risk factors for a high blood pressure, on the risk of hypertension. Methods and Results: This matched case–control study included 228 cases randomly selected in a rural adult population in Yarumal – Antioquia, Colombia. For every case, one(More)
OBJECTIVE To estimate the frequency of zoonoses in rural veterinarians and to search for risk factors. DESIGN Cross-sectional study based on an anonymously answered structured questionnaire. SETTING The interviewees participated in mandatory continuing education classes scheduled throughout the province by the College of Veterinary Surgeons. (More)
OBJECTIVES Numerous commercial assays are available for measuring total and free prostate-specific antigen (PSA) levels in serum. These assays can be referenced to different laboratory standards, and interassay variability occurs. Patients and physicians might be affected by the variability between PSA assays that results from the use of different PSA(More)
BACKGROUND Hamstring injuries are the second most common injury causing missed days in professional baseball field players. Recent studies have shown the preventive benefit of eccentric conditioning on the hamstring muscle group in injury prevention. Specifically, Nordic-type exercises have been shown to decrease the incidence of acute hamstring injuries in(More)
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