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We designed this study, to evaluate the interaction (relation) between vitamin B12 and folic acid levels and length of hospital stay in elderly inpatients.In this cross-sectional study, the Mini Nutritional Assessment–Short Form (MNA-SF) test was used to evaluate nutritional status of 615 (239 men, 376 female; mean age 72.89 ± 8.93 y) inpatients of a university hospital. Length of stay and blood samples...
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