abstract variation of climatic elements could be estimated by standard deviation, coefficients of variation and so on. in iranian climatological literature, variations of climatic elements have main attention during last decades. meanwhile worldwide climatologist desired to study the characteristics of variations as well as the distribution of frequency average of these elements. in this paper,...

the ever increasing rate of power consumption has led to an increase in public exposure to extremely low frequency magnetic fields (elf-mfs) and brought severe concerns about their health effects. considering previous studies and the facts about potential health effects of these fields, the present study aimed to evaluate the elf-mf flux densities from power distribution lines near hospitals i...

A regional health authority administrator contends that, lacking privacy legislation, patients in Great Britain cannot depend on a concept of 'ownership' of medical records to safeguard their confidentiality, or on their physicians alone to control all access to these records. Therefore, it is proposed that 'custodianship' of confidential information be assumed by a health care institution as ...