introduction: cardiovascular diseases are important factors at human death and factor destroys human resources. health intervention is a service for developing of health and diagnoses or modifies of process diseases. it is necessary that every country regarding to its goals, laws national, interests and standards, considers establishing such a system. a comparison of cardiovascular disease clas...

venereal diseases are still a common problem in today’s world. even though tremendous advances are being made in medicine and large budgets are being spent to control sexually transmitted diseases (stl), especially in western countries. these diseases are still yet very common, and today aids has been added to the threats posed by std to human life. the status of syphilis was evaluated in iran ...

Venereal diseases are still a common problem in today’s world. Even though tremendous advances are being made in medicine and large budgets are being spent to control sexually transmitted diseases (STL), especially in western countries. These diseases are still yet very common, and today AIDS has been added to the threats posed by STD to human life. The status of syphilis was evaluated in Iran ...