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RGB
RGN
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RH
Rh (1)
Rh (2)
Rh factor
Rh negative
Rh positive
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Rh negative
Rh neg·a·tive [ r aych néggətiv ]


adjective 
Definition:
 
without Rh factor: lacking the Rh factor in the blood.
See also  Rh factorRh positive
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