Who are the donors in 2003.
Mikkelsen
Niels
N
Bloddonorerne i Danmark, Vesterbrogade 191, Frederiksberg 1800, Denmark. mikkelsen@bloddonor.dk
D000328:Adult; D001290:Attitude; D001782:Blood Donors / Q000523:psychology / Q000706:statistics & numerical data*; D003718:Denmark; D005260:Female; D006801:Humans; D007341:Insurance; D008297:Male; D008875:Middle Aged; D012952:Societies; D011795:Surveys and Questionnaires; D014838:Volunteers / Q000523:psychology / Q000706:statistics & numerical data