the evolution of human blood groups, without doubt, has a history as old as man himself. there are at least three hypotheses about the emergence and mutation of human blood groups. global distribution pattern of blood groups depends on various environmental factors, such as disease, climate, altitude, humidity etc. in this survey, the collection of main blood groups abo and rh, along with some ...

the clinical significance of abo and rhesus blood group systems has been well documented. the objective of this study was to determine the frequency of abo and rhesus blood groups in blood donors in lahore, pakistan, with a view to generate data with multipurpose future practicalities in the field of medicine. blood groups of 3000 blood donors were determined by commercially available standard ...

statement of the problem recent studies have shown a relation between some abo blood types and increased susceptibility to fungal infections. purpose the aim of this study was to determine the frequency of blood groups in patients with denture stomatitis. materials and methods in this descriptive cross-sectional study, diagnosis of denture stomatitis in 100 patients with complete denture, was m...

abstract objective the history of the studies on blood groups dates back to early 20th century. more than 600 antigenic structures were detected among 29 blood groups. however, abo and rh antigenic structures were taken into consideration in transfusion medicine. frequency of the blood groups in a community helps the individuals in need and blood bank employees, which could be related to some d...

abo blood type antigens are polymorphic, inherited structures presented on the surface of red blood cells. although abo blood group antigens is the most important antigens in transfusion medicine, its main role is not clearly clarified. correlation between abo blood group and susceptibility to certain infectious and non-infectious diseases is a controversial issue. since, lack of blood type ant...