منابع مشابه
All opinions are not equal.
To the Editor: Gibbons et al1 detail the “noble” and Herculean task of developing American College of Cardiology/American Heart Association cardiovascular guidelines. Recommendations are based on either experimental results or opinion, with the latter being considered of uniformly lower evidentiary importance. The contribution of opinion to the guidelines is substantial in that opinion supports...
متن کاملNot all laboratories are alike.
KLUG et al. [1] have reported observer variability within and between two experienced observers of a number of lung function measurements in preschool children. One of the methods assessed was the measurement of airway resistance by the interrupter technique (Rint). In their laboratory, Rint measurements have high interobserver variability, although no systematic bias. In our laboratory interob...
متن کاملFungi are Not All “Fun-Guys” after All
The evolution of human history has greatly influenced human infectious diseases. For instance, the emergence of industrialization and the human population increase and conglomeration both directly contribute to the spread of microbes. Although the progress of medicine has helped to control infectious diseases, at the same time the advent of certain medical practices has actually favored the occ...
متن کاملSestamibi scans are not all created equally.
HYPOTHESIS The sensitivity of sestamibi scanning techniques used for preoperative localization in primary hyperparathyroidism is a function of the parameters of image acquisition and processing. DESIGN Criterion standard vs optimized technique. SETTING Tertiary referral center. PATIENTS One hundred forty-eight consecutive patients with primary hyperthyroidism were analyzed. Under the init...
متن کاملAll data are not created equal.
An inauspicious start to 2009, unfortunately. This issue may seem a little thinner than others we've recently published, as 4 articles that were previously accepted and scheduled for publication in this issue will not appear. We continue to screen all figures from accepted manuscripts, and we continue to find irregularities. In several cases, the alterations in the figures led to the discovery ...
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ژورنال
عنوان ژورنال: Canadian Medical Association Journal
سال: 2019
ISSN: 0820-3946,1488-2329
DOI: 10.1503/cmaj.71138