• Group logo of Please, Help! Blood needed.
    active 2 weeks, 5 days ago

    If you, your friend or relative need blood transfusion, ask here for help.

    Public Group / 45 members
  • Group logo of Theories about O-negative
    active 1 month, 2 weeks ago

    How is it possible to have O-negative blood type?
    Tell us what do you know.

    Public Group / 53 members