abstract background and purpose: paederus associated dermatitis has always been considered as a health problem in the northern of iran. since until now, the traditional method and some corticosteroids have been used in the treatment of paederus dermatitis (pd) and no comprehensive studies have been carried out on the new method of treatment. therefore, this study was aimed to compare the anti-i...

This study proposes to develop methodologies for public water supply quality control by implementing evaluation and control mechanisms and enhancing environmental health surveillance decision-making. These objectives were based on data for waterborne diseases recorded at the Rio de Janeiro State Health Department. We selected the following neighborhoods: Posse (1st Township) and Caioaba (5th To...

In 1990-1992, residents (12026 men and 11917 women aged 30 to 65 years) in 7 townships, Taiwan, were interviewed and recruited into a cancer-screening cohort and annually followed up. Colorectal cancer cases in this cohort were identified from cancer registry and death certificates. Incidence rates of this disease by the end of 2001 were calculated by gender for the primary study variable and c...