منابع مشابه
Experimental determination of bone cortex holding power of orthopedic screw.
Cylindrical specimens of bone measuring 15 mm in diameter were obtained from the lateral cortical layer of 10 pairs of femurs and tibias. A central hole 3.2 mm in diameter was drilled in each specimen. The hole was tapped, and a 4.5 mm cortical bone screw was inserted from the outer surface. The montage was submitted to push-out testing up to a complete strip of the bone threads. The cortical t...
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The skinfold caliper is a non-invasive anthropometric technique regularly used to assess the nutritional status of clinical and non-clinical individual samples for evaluation of body composition percentage. A skinfold caliper allows obtaining important anthropometrical data using a simple and portable tool, with a non-invasive and cost-effective procedure. Using regression equations, the skinfo...
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Shamos [1] recently showed that the diameter of a convex n-sided polygon could be computed in O(n) time using a very elegant and simple procedure which resembles rotating a set of calipers around the polygon once. In this paper we show that this simple idea can be generalized in two ways: several sets of calipers can be used simultaneously on one convex polygon, or one set of calipers can be us...
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Dear Editor, Intravitreal injection of drugs such as anti-vascular endothelial growth factor (anti-VEGF) agents and corticosteroids has shown encouraging results in the treatment of many ocular diseases. In developed countries, this type of injection is probably the most frequently performed vitreoretinal procedure. However, it has the potential for serious complications, such as endophthalmiti...
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BACKGROUND Holding orders help transition admitted emergency department (ED) patients to hospital beds. OBJECTIVE To describe the effect of ED holding orders. METHODS We conducted a single-site retrospective study of ward admissions from the ED to the hospital internal medicine (HIM) service over 2 years. Patients were classified based on whether the ED did (group 1) or did not (group 2) wr...
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ژورنال
عنوان ژورنال: Techniques in Orthopaedics
سال: 2021
ISSN: 0885-9698
DOI: 10.1097/bto.0000000000000519