منابع مشابه
How do nonreproductive groups affect population growth?
I describe several models of population dynamics, both unstructured and gender structured, that include groups of individuals who do not reproduce. I analyze the effect that the nonreproductive group may have on the dynamics of the whole population in terms of the vital rates and the proportion of nonreproductive individuals, and we provide specific examples for real populations.
متن کاملBlood groups: In Health and Diseases
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...
متن کاملGenetic polymorphism of blood groups and erythrocytes enzymes in population groups of the Republic of Macedonia.
This study presents the results of an examination of 3 blood-group systems (ABO, Rhesus, and P1) and erythrocyte enzymes (ADA, AK, ALADH, PGD, SAHH, PGM1, PGM3, GPT, GOT, ACP, UMPK, ESD and GLO) in populations that reside in R. Macedonia. Four population samples from the Republic of Macedonia (129 Macedonians from Skopje, 98 Albanians from Skopje, 95 Aromanians from Krusevo, 102 Aromanians from...
متن کاملAssociation and Distribution of Hypertension, Obesity and ABO Blood groups in Blood Donors
Abstract Background Hypertension is a major health problem, especially because it has no clear symptoms. It is strongly correlated with modifiable risk factors such as adiposities, age, stress, high salt intake. Overweight and obesity is conveniently determined from BMI and visceral adiposity is determined by waist circumference. ABO blood group is one such factor which needs to be investiga...
متن کاملBLOOD TRANSFUSION and BLOOD GROUPS
ERS Helen W. Belding, M.D., Winston-Salem, .V.C’. Conrad Maier, M.D., Zurich, Switzerland Robert B. Chodos, M.D., Boston, Mass. Cesar Merino, M.D., Lima, Peru Roger C. Crafts, Ph.D., Cincinnati Milo s Netou ek, M.D., Praha, Czechoslovakia C. R. DasGupta, M.D., Calcutta, India Charles E. Rath, M.D., Washington Solomon Estren, M.D., New York Jean P. Souhier, M.D., Paris, France Ronald H. Girdw-oo...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Nature
سال: 1967
ISSN: 0028-0836,1476-4687
DOI: 10.1038/215778a0