Sentence examples for material were approved by from inspiring English sources

Studies using patient material were approved by the ethics committee of the University of Freiburg (approval no. 293/14).

All experiments were conducted according to the Declaration of Helsinki, and all experimental procedures involving human material were approved by the Institutional Review Board at China Medical University.

All procedures involving human islet material were approved by ethical committees at Uppsala and Lund Universities.

All experiments using human material were approved by the Ethical Committee of the Charité-Universitätsmedizin Berlin.

All studies on human material were approved by the institutional review board of the University Medicine Mannheim (Mannheim, Germany).

All experiments using human material were approved by the Ethics Committee of the Charité-Universitätsmedizin Berlin and all patients agreed to participate and signed an informed consent.

Editorial material is approved by Dr. David Shlim, who directed a clinic in Nepal for years and is a recognized authority on high-mountain illness.

The use of archived paraffin-embedded material was approved by the corresponding Ethical Review Board of the Helsinki University Central Hospital, Finland.

Collection of such material was approved by the ethical committee of the National Center for Cell Science, Pune and signed written consent was obtained from adult patients (50 to 70 years old) who underwent cardiac bypass surgery.

The use of all patient material was approved by local Ethics Committees.

The collection and use of the human material was approved by the local ethics committee.