title: Letter: Red cell indices and age.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D004912:Erythrocytes / Q000032:analysis; D005260:Female; D006454:Hemoglobins / Q000032:analysis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors
chemical_list: D006454:Hemoglobins