What is H & H?

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Tags

  1. #sometimes
  2. #cells
  3. #specifically
  4. #common
  5. #tests
  6. #hemoglobin
  7. #oxygen
  8. #written
  9. #important
  10. #pigment
  11. #protein
  12. #popular
  13. #shorthand
  14. #blood
  15. #hematocrit
  16. #carrying