title: The world distribution of transferrin variants and some unsolved problems.
mesh_terms: D000349:Africa; D001208:Asia; D001315:Australia; D001797:Blood Protein Electrophoresis; D002489:Central America; D005060:Europe; D014644:Genetic Variation; D006801:Humans; D009656:North America; D013020:South America; D014168:Transferrin
chemical_list: D014168:Transferrin