introduction: prevention and control of cross infections for the personnel of dental offices and clinics are a critical issue in dental practice. in this study, a standardized questionnaire was developed to assess the knowledge, attitude and practice of the oral health-care workers in tehran university dental school regarding the blood-transmitted diseases and its validity and reliability were ...

Why ever assert clarity? If It is clear that p is true, then saying so seems at best superfluous. Barker and Taranto (2003) and Taranto (2006) suggest that asserting clarity reveals information about the beliefs of the discourse participants, specifically, that they both believe that p. The belief theory of clarity makes a number of accurate predictions, including that It is clear that p fails ...

purpose : round-the-clock on-demand availability and corneal cloudiness are the two major problems with animal eyes for surgical practice. the purpose of this investigation is to assess the usability of long-term deep freezing for the preservation of enucleated sheep eyes and the adjunctive role of intracameral cryoprotective agent on corneal clarity. methods : thirty-two enucleated fresh sheep...

Recently the concept of a clarity score was introduced in order to measure the ambiguity of a query in relation to the collection in which the query issuer is seeking information [CronenTownsend et al. Proc. ACM SIGIR2002, Tampere Finland, August 2002]. If the query is expressed in the “same language” as the whole collection then it has a low clarity score, otherwise it has a high score, where ...

The randomised controlled trial (RCT) is at the heart of the evidence-based medicine movement and by implication should also be central to evidence-based nursing. One objection to RCTs in nursing science is that nursing is too complex an activity to be subjected to a carefully controlled experimental paradigm. We suggest that this argument is false and use examples from complex interventions re...