background entamoeba histolytica/entamoeba dispar and enterobius vermicularis are the major health problems in the developing countries especially in iran. the prevalence of infection is variable among different social groups in the world. objectives since elderly and mentally retarded are high risk group, the present survey was carried out in order to determine the prevalence of intestinal par...

BOOK REVIEWS How to Assess Cancer Risks . . . . ........ ........ .. . . ..... Coral Reefs in Potential Conflict with Oil and Gas Development . Briefing: Japan-U.S. Cooperation on Energy R & D Agreed to; Different Route Accepted as Way to New Department; U.S. Geological Survey-On the Map for 100 Years; On the Way to the Forum; Endangered Review Body Seems to Be in the Clear. More Help for the M...

One of the problems with which mentally challenged children and adolescents are faced in the healthcare systems of the world is that the importance of their problems have often been neglected by decision-makers. 1 The problem looks more severe when we investigate health care services to mentally disable children. Generally, a child's health problem creates an economic burden for families but ca...