نتایج جستجو برای: 782 days thus
تعداد نتایج: 1028901 فیلتر نتایج به سال:
The effect of enrichment and breed line on belly nosing in early-weaned pigs was investigated over two studies. In a preliminary study, 291 piglets were weaned at 7 days-of-age and observed over two consecutive days (pigs ranged from 17 to 30 days-of-age at time of observation). Piglets were fed a liquid milk replacer diet for either 7 or 14 days following weaning. Pen environment was enriched ...
STUDY DESIGN Retrospective case series from a multicenter database. OBJECTIVE To evaluate the risk of neurologic injury during growing rod surgeries and to determine whether intraoperative neuromonitoring is necessary for all growing rod procedures. SUMMARY OF BACKGROUND DATA Although the use of growing rod constructs for early-onset spinal deformity has become a commonly accepted treatment...
Highly active antiretroviral therapy (HAART) has changed the morbidity pattern affecting HIV-infected individuals to include non-AIDS-defining cancers. We describe the breast cancer cases occurring in a cohort of 860 HIV-infected women followed in Rio de Janeiro, Brazil, and estimate the incidence rate of breast cancer for this population. Nine cases were identified; median age at diagnosis was...
Practicality of wavelength selection to improve signal-to-noise ratio in near-infrared spectroscopy.
Near-infrared spectroscopy (NIRS), which can be used to detect changes in the concentration of oxygenated hemoglobin (oxy-Hb) and deoxygenated hemoglobin (deoxy-Hb) in tissue by using illumination at two different wavelengths, is often applied to noninvasive measurements of human brain functions. It is common to use two wavelengths that are on opposite sides of the point where the optical absor...
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