E pidemiology is the study and analysis of distribution and determinants of health-related conditions or events including diseases, and the practice of this study to the control of diseases and other health problems (1). One of the basic issues in epidemiology and the beginning of a research project is conducting a suitable design for our study (2). The aim of this study is to brief e...

the aim of this descriptive and analytical type of study was to investigate epidemiological characteristics of post partum blues in pregnant women referring to maternity clinics in hafiz and zeinabieh hospital. the sample consisted of 400 pregnant women in their third trimester who were visited these clinics over the sampling period. the data were collected through two questionnaires; the first...

background: brucellosis is a bacterial infection mostly transmitted by animals to humans; thus, consideration of sanitary instances is an important preventive method for this disease. therefore, we designed a study in order to reduce the rate of brucellosis in baneh county, kurdistan province, iran. materials and methods: the sources of data were the medical documents of patients diagnosed in h...

background and aims: nowadays, orofacial clefts are known as the most common orofacial birth defects. several factors are responsible for problem, such as environmental factors, genetic background, nutritional deficiencies such as vitamins, zinc, iron, maternal diseases, exposure to teratogenicagents, smoking, drugs, organic solvents. the aim of this study was to evaluate the of risk factors fr...

food safety issues are not a new issue in science, but due to the dynamic changes in the modern world it is as equally important as decades ago. the aim of the study was to address the efforts in the development of a comprehensive food safety system in serbia, and make specific recommendations regarding the improvement of epidemiological investigation capacity as a useful tool which contributes...