منابع مشابه
شناسایی خانواده ایرانی دارای فنوتیپ Rh null
چکیده سابقه و هدف سیستم گروه خون Rh یکی از پیچیده‌ترین سیستمهای گروههای خونی و دارای حدود 50 آنتی ژن است. دو ژن Rh D و Rh CE مسئول کد کردن آنتی‌ژن‌های سیستمRh هستند. فنوتیپ Rh null قادر به عرضه هیچ یک از این آنتیژنها نیست و شیوع آن یک در شش میلیون نفر است. می‌توان با تعیین فنوتیپ سایر افراد خانواده، خون مناسب را در موارد مورد نیاز تهیه کرد. مورد در سال 1392 خانمی 39 ساله با گروه A منف...
متن کاملIdentification of First Patient with Rh null Phenotype in Southeast Iran
Background and Aims: Rhnull, with an estimated incidence of one per 6,000,000 individuals, is an extremely rare disorder with an autosomal recessive pattern of inheritance that is more common in societies with a high rate of consanguinity. Materials and Methods: In this study, we report the first case with Rhnull, a blood group phenotype in southeast Iran, which was diagnosed during pretransf...
متن کاملRed cell membrane and cation deficiency in Rh null syndrome.
A 52-yr-old multiparous white female was found to have Rh null blood type. She had macrocytic anemia, with reticulocytosis (15%-20%), of long duration. Although stomatocytes in peripheral blood were numerous and osmotic fragility was increased, suggesting increased cell water, the RBC cation content, and thus cell water, was decreased. Cell dehydration was confirmed by an increased proportion o...
متن کاملNon-differential measurement error does not always bias diagnostic likelihood ratios towards the null
Diagnostic test evaluations are susceptible to random and systematic error. Simulated non-differential random error for six different error distributions was evaluated for its effect on measures of diagnostic accuracy for a brucellosis competitive ELISA. Test results were divided into four categories: < 0.25, 0.25-0.349, 0.35-0.499, and > or = 0.50 proportions inhibition for calculation of like...
متن کاملNull Subjects Are Reflexives, Not Pronouns
It has been a prevalent assumption in the literature that phonetically null Subjects of finite clauses are pronouns. This paper examines in detail this empirical generalization and argues that null Subjects are reflexives rather than pronouns. The critical point at stake here, which has obscured appropriate classification, is that null Subjects are reflexives in top-command positions, i.e. refl...
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ژورنال
عنوان ژورنال: BMJ
سال: 1973
ISSN: 0959-8138,1468-5833
DOI: 10.1136/bmj.1.5850.417-a