If Rh negative blood was headed for extinction….

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… it would have happened a long time ago.

We’re only getting started.

See also:

What is the real frequency of rh negatives worldwide?

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5 Comments

  1. Ramona Meng May 29, 2020 Reply
  2. frances ellis May 29, 2020 Reply
  3. Ken or ID too-different-perhaps June 1, 2020 Reply
  4. Jen February 26, 2022 Reply
  5. Fran April 10, 2022 Reply

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