normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 introduction: there are many demands for accuracy coded data with purpose of the systemic recording, analysis, interperation and comparison of morbidity and mortality data collected in different countries. therefore the importance of accurate coding cannot be ignore. meaningful and comparative statistics needs accurate and...

prions are unprecedented infectious pathogens that cause a group of invariably fatal neurodegenerative disease by an entirely novel mechanism. the conformational change in prion proteins results in a change from a predominantly α-helical protein to a β-sheet form, which causes scrapie in sheep and goat. the present study was carried out to identify polymorphisms of the prion protein gene (prp) ...