Pitt has repeatedly denied any wrongdoing.

By: KDKA-TV News Staff

PITTSBURGH (KDKA) — The University of Pittsburgh asked a Washington law firm to review its fetal tissue research practices.

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In a statement, the university confirmed it asked the firm to do an independent review of what’s become a hot-button issue.

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Research using fetal tissue has led to rubella and rabies vaccines, but Republican state lawmakers and anti-abortion groups have raised questions over it.

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Pitt has repeatedly denied any wrongdoing.