ABC of AIDS. Immunology of AIDS.

the effect of using visual aids on the development of speech act of disagreement among iranian intermediate efl learners

abstract the present study tried to investigate the effect of visual aids (films) on the development of the speech act of disagreement among iranian efl intermediate learners. to this end, the researcher selected 40 homogeneous intermediate learners based on their scores on oxford placement test. .the subjects then divided into control group and experimental group. both classes were tested by ...

AIDS

Drugs of Abuse: Chemistry, Pharmacology, Immunology, and AIDS, 96

Grand Challenges in the Immunology of HIV and AIDS

IntroductIon After the first reports of patients with AIDS in 1981, the discovery in 1983 of HIV as the etiological agent that causes AIDS and in 1984 of the CD4 protein as the main receptor for the virus our views on HIV pathology have been quite straightforward. Apparently HIV infects CD4+ human cells, which are mainly T helper cells, and in vitro studies show that these cells die in the cour...

Harmful Aids

در این مقاله بیماری ایدز با تابلوی بالینی پیچیده خود معرفی خواهد شد. ویروس HIV یا نقص ایمنی انسانی، مانند سایر ویروس ها، جهت چرخه حیات و تولید مثل خود به محیط درونی سلول نیاز دارد. میزبانان HIV در بدن بطور عمده سلول های سیستم ایمنی شامل لنفوسیت های T، سلول های کمک کننده T و مونوسیت ها می باشند . ویروس بصورت مؤثر سلول ها را بکار گرفته و از آن ها به عنوان ماشینی جهت اجرای دستورات ژنتیکی خود استفا...