نتایج جستجو برای: smoking stages
تعداد نتایج: 276377 فیلتر نتایج به سال:
Introduction: Colorectal cancer is the third most common cancer in Iran. Some studies have shown that age and sex are associated with the course and prognosis of colorectal cancer. Due to the fact that recognizing the factors affecting colorectal cancer improves the screening system and selects better treatment modalities, and due to the lack of such studies in Iran, in this study, the relation...
BACKGROUND Long-term cigarette smoking is associated with pulmonary inflammation, but the acute effects of smoking have been less well studied. Analysis of the exhaled breath condensate (EBC) can provide noninvasive markers that might be indicative of inflammation. OBJECTIVES The aim of the study was to determine whether the pH , electrical conductivity and the levels of ammonium and interleu...
Research in recent years has supported the hypothesis that many properties of the electroencephalogram (EEG) are specific to an individual. In this study, the intra- and inter-individual variations of sleep EEG signals were investigated. This was carried out by analyzing the stability of the average EEG spectra individually computed for the Rechtschaffen and Kales (RK) sleep stages. Six EEG cha...
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