Therapeutic and educational protocols are widely used in biomedical aspects. These protocols are locally used in hospitals and universities or may have global acceptance. Orthopedic and traumatologic protocols are available in WWW pages, and not only made by academic sources, But also delivers by personal pages.   Nowadays, need for evaluation of these sites is obvious and many works are prese...

Biomedical ethics is a branch of professional or practical ethics that examine the moral aspects of profession of medicine. Every professional ethics due its issues and problems determine an especial theory and principles. In this article after referring to the three branches of ethics and describing important schools of ethical theory we have explained the six main approaches to biomedical e...

Chitin and chitosan are the most abundant natural amino polysaccharide that are non-toxic, biodegradable and biocompatible. They have become of great interest not only as an underutilized resource, but also as a new functional material of high potential in various fields. They are biopolymers having immense structural possibilities for chemical and mechanical modifications to generate novel pro...

the purpose of the present study is to find out whether bilinguals of khuzestan-arab origin or monolinguals of iranian origin code-switch during learning or speaking english and which group is more susceptible to code-switch. to this end, the students of 24 classes from high schools and pre- university centers were screened out, and interviewed and their voices and code-switchings were recorded...