نتایج جستجو برای: 0005
تعداد نتایج: 1092 فیلتر نتایج به سال:
This paper reviews and discusses the literature pertaining to a proposed ecological study of a catastrophic dying of native Metrosideros (Myrtaceae) forest which occurred on windward East Maui in the Hawaiian Islands during the first decade of this century. This dieback event was documented by several workers, most notably H.L. Lyon, and became known as the Maui Forest Trouble. The geology, cli...
The data reported in this paper were obtained in a study of childhood accidents conducted by the State of California Department of Public Health and supported by Public Health Service Research Grant (AC 00002) from the Division of Accident Prevention, US Public Health Service. The study was initiated by Leslie Corsa Jr, formerly chief of the Bureau of Maternal and Child Health, and was directed...
BACKGROUND In patients with sick sinus syndrome, choice of pacing mode has been implicated in the development of congestive heart failure. METHODS AND RESULTS A total of 225 consecutive patients with sick sinus syndrome and intact atrioventricular conduction were randomized to either single-chamber atrial pacing (n = 110) or single-chamber ventricular pacing (n = 115). Clinical assessment inc...
BACKGROUND: Delirium frequently develops in hospitalized patients and results increased mortality, longer length of stay, need for transitional care. Neurological are at an risk developing delirium. There is a paucity research on effective prevention strategies this population. PURPOSE: The objectives project were to improve nurses' knowledge confidence delirium prevention, design volunteer pro...
سابقه و هدف: متآمفتامین مادهای است محرک که ترکیب اصلی آن آمفتامین (C9H13N) است. کریستالیزه متآمفتامین در کشور ایران به نام شیشه معروف است. هدف از این مطالعه، بررسی اثرات شیشه ایرانی (متآمفتامین) بر سطوح سرمی هورمونهای (Adrenocorticotropic Hormone, ACTH)، کورتیزول و آلدوسترون در موشهای صحرایی نر میباشد. مواد و روشها: این مطالعه تجربی بر روی 20 سر موش صحرایی نر نژاد ویستار که بطور تصادف...
BACKGROUND Staphylococcus aureus bacteremia often persists and causes metastatic infections. It is unknown whether the time between blood culture incubation and growth detection (i.e., the time to positivity) in a continuously monitored system--a probable surrogate marker of bacteremia severity--correlates with outcome. METHODS We performed a prospective, observational study involving adult i...
BACKGROUND Osteoporosis is a debilitating disease. Adequate calcium consumption and physical activity are the two major modifiable risk factors. This paper describes the major outcomes and efficacy of a workplace-based targeted behaviour change intervention to improve the dietary and physical activity behaviours of working women in sedentary occupations in Singapore. METHODS A cluster-randomi...
OBJECTIVE Feeding difficulties are reported widely in infants with cleft lip and/ or palate. There is, however, a paucity of objective information about the feeding patterns of these infants. This study compared patterns of feeding in infants with unrepaired cleft lip and palate with healthy noncleft infants of a similar age. SETTING North Thames Regional Cleft Centre. The noncleft cohort was...
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