BACKGROUND Retention of mouth-to-mouth, mouth-to-mask and mouth-to-face shield ventilation techniques is poorly understood. METHODS A prospective randomised clinical trial was undertaken in January 2004 in 70 candidates randomly assigned to training in mouth-to-mouth, mouth-to-mask or mouth-to-face shield ventilation. Each candidate was trained for 10 min, after which tidal volume, respirator...

statement of the problem burning mouth syndrome (bms) is a condition presented with burning sensation without any pathologic changes of oral mucosa. since there are no accurate diagnostic criteria and because symptoms are so variable the studies have shown different prevalence. limited studies have been performed to estimate prevalence, of bms in iran and worldwide. purpose this research was co...

esophageal melanocytosis is a rare and benign condition, characterized by melanocytic proliferation of the esophageal squamous epithelium with heavy melanin deposition. the etiology and pathogenesis has not been exactly known but it seems to be a chronic stimulus such as gastroesophageal reflux. this condition is very rare and about 35 cases have been reported so far, most of which have been fr...

conclusions we conclude that oral cancer is etiologically related to the interaction between smoking and drinking. results the smoking as well as alcohol drinking rates in the subjects of the case group were significantly higher than the controls. of smoking types, bidi (a hand rolled cigarette) (or = 4.1, 95% ci = 2.4-6.9), and among alcohol types, hard liquor (or = 2.6, 95% ci = 1. 4-6.4), cou...

The passive bioacoustic technique has the principle of operation is to use underwater sound recording equipment, collecting signals emitted by fish during spawning season, analyze software, through which it possible identify identified species name, population size, and location broodstock in study area. In this study, we used a combination method analyzing density eggs larvae croaker Tien Yen ...

We collect Word-of-mouth (WOM) data on movies from Twitter and employ both a time-series model and a dynamic panel data model to study the influence of WOM on movie box office revenues. Compared with most previous literature that measures WOM through its volume or dispersion, we directly measure the number of recipients of each WOM message using the unique social structural information on Twitt...

Four outbreaks of foot-and-mouth disease (FMD) occurred from March to May 2000 in Miyazaki and Hokkaido Prefectures, Japan. FMD virus isolation was achieved by sampling probang materials from Japanese Black cattle in the third case found in Miyazaki Prefecture. The probang materials were inoculated to bovine kidney (BK) and bovine thyroid cell cultures. CPE was observed in the BK at two days po...

About a decade ago, carbohydrate mouth rinsing was shown to enhance endurance exercise performance. This improvement was more pronounced in a fasted compared to a fed state, suggesting that the ergogenic effect of carbohydrate mouth rinse is dependent on endogenous carbohydrate storage. Hence, indirectly highlights the potential use of carbohydrate mouth rinse as a potential strategy to mitigat...