background: oral white and red lesions are usually assumed as premalignant lesions. epidemiological characteristics of these lesions seem to be important. the aim of this study was to determine the prevalence of the oral red and white lesions in patients referred to oral and maxillofacial pathology department in isfahan school of dentistry during last two decades. methods: in this descriptive s...

white-collar criminals are those who abusing their official occupations commit profitable, nonviolent crimes. the most important manifestations of white collar crimes are: fraud, corruption (including bribery), employment offences, consumer offences, drug and food offences, environmental crimes, cyber crimes, and customs offences. some manifestations of white collar crime have direct victims so...

b ackground: health care-associated infections are an important cause of morbidity and mortality in hospitals. reports have shown that nurses’ uniforms are sources of health care-associated infection transmission. the present study assessed the rate of bacterial contamination of healthcare worker’s white coats in two tertiary hospitals in mashhad, iran. methods: 300 healthcare workers participa...