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OBJECTIVE We estimated the impact of hip replacement-associated surgical site infection (SSI) on morbidity and length of stay. METHODS This was a pairwise matched (1 : 1) case-control study nested(More)
OBJECTIVE To determine the prevalence of Helicobacter pylori infection in the healthy population of Madrid Autonomous Community (AC). MATERIAL AND METHODS A descriptive, cross-sectional study where(More)
BACKGROUND In 1997, a national standardized surveillance system for nosocomial infections (NI) in surgery patients was established in Spain. This system, known as the VICONOS program, is based on the(More)
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