نتایج جستجو برای: epidemiologic features
تعداد نتایج: 543728 فیلتر نتایج به سال:
Background and aim: The skin has some appendages that give origin to various tumors. These tumors are generally divided to pilosebaceous and sweat glands tumors according to embryologic and histological features. Clinical and histological characteristics of these tumors are also divergent. In addition, classification of them according to histological background has been changed considerably in ...
'Multiple causation' is the canon of contemporary epidemiology, and its metaphor and model is the 'web of causation.' First articulated in a 1960 U.S. epidemiology textbook, the 'web' remains a widely accepted but poorly elaborated model, reflecting in part the contemporary stress on epidemiologic methods over epidemiologic theories of disease causation. This essay discusses the origins, featur...
abstract acute diarrhea with severe dehydration has been a major worldwide cause of death in children younger than 5 years of age. etiological studies of gastroenteritis have shown that rotavirus causes 40–50% of acute diarrhea among infants and children in both developing and developed nations. numerous epidemiologic studies in the us and the world health organization have documented the clini...
BACKGROUND Acute disseminated encephalomyelitis (ADEM) is a central nervous system demyelinating disease that usually follows an apparently benign infection in otherwise healthy young persons. The epidemiology, infectious antecedents and pathogenesis of ADEM are poorly characterized, and some ADEM patients are subsequently diagnosed with multiple sclerosis (MS). METHODS We retrospectively (19...
BACKGROUND Morgellons is a poorly characterized constellation of symptoms, with the primary manifestations involving the skin. We conducted an investigation of this unexplained dermopathy to characterize the clinical and epidemiologic features and explore potential etiologies. METHODS A descriptive study was conducted among persons at least 13 years of age and enrolled in Kaiser Permanente No...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید