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Rebuttal: Evidence that attempts to explain, counteract or disprove facts given in evidence by the other party.

Re-direct examination: Opportunity to present rebuttal evidence after one's evidence has been subject to cross-examination.

Relenza: A medicine used to treat the flu. Some patients have had serious breathing problems while using Relenza, and it is no longer recommended for those with chronic respiratory disease.

Retainer: Advance payment of fees, or fees and costs, made by a client to an attorney when the client retains the attorney to act for him or her.

Rezulin: A prescription diabetes drug that was used to control Type 2 diabetes in combination with insulin or sulfonylurea. Rezulin was recalled by the FDA because it was linked to liver failure.

RH Incompatibility: Results when the blood type of the fetus, or developing child, differs from the blood type of the mother.

Rhizotomy: A surgical procedure to decrease spasticity.

RhoGAM: A medicine which was injected into pregnant women to avoid specific pregnancy complications. RhoGAM used to contain thimerosal, which some suspect is related to the development of autism.

Risk Factors for Cerebral Palsy: A risk factor is not a cause, it is a variable which, when present, increases the chance of something occurring. In other words, a risk factor for cerebral palsy is not a cause of cerebral palsy, it is a variable that could increase your child's chances of developing cerebral palsy. The presence of a risk factor does not mean cerebral palsy will occur, nor does the absence of a risk factor mean that cerebral palsy will not occur. If a risk factor is present, it should alert parents and health care professionals to be even more observant of the infant's development. Risk factors can be associated with the parents, as well as the child.