in this study, a new array of meteorological elements and a synoptic climatologic classification to produce abaseline climate and to derive meteorological factors that are effective on air pollution in tehran, which is located in a semi-enclosed basin was developed. the data set includes daily sea-level pressure and 500mb geopotential height fields from ncep-ncar and tehran upper air sounding d...

hypertension is a common health problem. hypotensive drugs and low salt diet are used in its treatment. this study was designed to compare the effectiveness of a low-salt diet and drug therapy in the treatment of arterial hypertension. a total of 256 randomly selected patients with essential hypertension consulting the non-contagious diseases clinic in shahreza, isfahan, iran, were included in ...