one of the features of democratic political systems is its accountability to respond their own responsibility. the media as a powerful element of civilization affecting public thoughts plays an important role in government responsiveness. to achieve this goal, the present study tries to investigate the effect of media on the improvement of the accountability of the government agencies. the stat...

of human plasma fluoride concentration. rg6o.-There is a constancy of plasma fluoride content of individuals who use communal water within the range O. 15-2.5 ppm fluoride. With an intake of 5.4 ppm of fluoride in the communal water there is a slight but significant elevation of the plasma concentration. There is no evidence of a marked or prolonged rise of plasma fluoride content following the...

each community , due to differences in climatical , social economical and cultural peculiarities has a different sort of public health problems . in planning and executing public health programs , health workers should first be concerned with the problems of the locality and then with the program.