Objectives: To assess histopathological characteristics of oral leukoplakia among snuff users and non-users. Material methods: The descriptive cross-sectional study was conducted at different hospitals in Khyber Pakhtunkhwa. consisted 60 cases which 30 were non-users features assessed both groups. SPSS 20 used for the evaluation analysis data. Results: observed mean age 50.3 years. In users, 56...

introduction: users of hospital information system know its problems better than others. studying their views are very important and can be especially effective in the development of the information system. the aim of this study was to investigate the users' views towards the quality of hospital information system in the training hospitals of mashhad university of medical sciences. methods: the...

Today, the trust has turned into one of the most beneficial solutions to improve recommender systems, especially in the collaborative filtering method. However, trust statements suffer from a number of shortcomings, including the trust statements sparsity, users' inability to express explicit trust for other users in most of the existing applications, etc. Thus to overcome these problems, this ...

there has been an increasing concern about inactive drivers who would easily lead to road accidents and fatalities once return to driving. this study investigated the re-usability of traffic signs for inactive drivers with consideration of driver factors and cognitive sign features. fifty-seven hong kong chinese, who possessed a full driving license but had not driven for an extended period, co...

conclusions according to our findings, supplementing drug abuse treatment with cognitive behavior therapy, particularly pse, can reduce relapse rate and enhance self efficacy and self esteem among patients. objectives the current study attempted to clarify the effects of problem solving education (pse) on relapse rate, self efficacy and self esteem among drug abusers. patients and methods this ...

background : computer users are exposed to work related neck disorders due to repetitive movement and static posture for prolonged period. viewing document and typing simultaneously are one of the contributing factors for neck disorders. methods : this preliminary study was conducted to evaluate the effects of the document holder on the postural neck muscles activity among computer users. nine ...

background: the use of methamphetamine and other drugs among young adults has been a theme of growing interest and concern on the part of researchers and health associations. this paper reports recent use of methamphetamine and its relation with some demographic variables among substance users in west of iran. method s: this cross-sectional study was carried out on 559 substance users of hamada...

introduction: users’ performance and their interaction with information retrieval systems can be observed in development of their mental models. users, especially users of health, use mental models to facilitate their interactions with these systems and incomplete or incorrect models can cause problems for them . the aim of this study was the adjustment and development of health user’s mental m...