this is a study of depressive features in 51 iranian combatants suffering from ptsd. dsm iii-r considers depressive symptoms as associated clinical features of this condition. dsm iii and dsm iii-r both accepted the strong evidence that ptsd is a form of anxiety and included it in the anxiety disorders category. it is true that many ptsd sufferers present with anxiety features similar to these ...

Singular limit problems of reaction-diffusion systems have been studied in cases where the effects reaction terms are very large compared with those other terms. Such appear literature various fields such as chemistry, ecology, biology, geology and approximation theory. In this paper, we deal singular a general system including many literature. We formulate problem,...