title: Can the existing age limitations for the donation of blood be extended without changing the requirements for medical control?
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001771:Blood Banks; D001782:Blood Donors; D005060:Europe; D006801:Humans; D007883:Legislation, Medical; D008875:Middle Aged; D014481:United States