نتایج جستجو برای: during the years 1345 to1385
تعداد نتایج: 16309314 فیلتر نتایج به سال:
T HE PURPOSE of this communication is to describe a recently delineated principle of immunology1 that can be summarized in one line: immunity, or alternatively tolerance, to any antigen is governed by the migration and localization of that antigen. This concept, which has been developed with transplantation models 2-4 and from observations after clinical and experimental infe£tions 5-7 has been...
asthma is one of the most common problems of childhood, responsible for a significant proportion of abstinence from school because of chronic illness. this study was carried out among the school-aged children (7-18 years) in tehran schools during 2002-2003, in order to determine the frequency of asthma. according to the recommendation of who (world health organization), we designed a questionna...
چکیده ندارد.
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید