Reuters -- U.S. reviewers have raised the possibility of bias in the evaluation of a spine device made by Zimmer Holdings Inc (ZMH.N), saying a majority of patients in a study were treated by researchers with a financial interest in the company.
Reuters -- U.S. reviewers have raised the possibility of bias in the evaluation of a spine device made by Zimmer Holdings Inc (ZMH.N), saying a majority of patients in a study were treated by researchers with a financial interest in the company.
