title: The variation of hemoglobin level by age and race, a follow-up of a population sample of the Los Angeles heart study.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D002140:California; D005260:Female; D005500:Follow-Up Studies; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D044469:Racial Groups; D044465:White People
chemical_list: D006454:Hemoglobins