@misc{ma_biological_assessment_2012, 
author={Ma, N.},
title={Biological assessment of biomaterial},
year={2012},
howpublished = {conference lecture: Berlin (D); 01.11.2012},
note = {Online available at: \url{} (DOI). Ma, N.: Biological assessment of biomaterial. Wissenschaft vor Ort, Das BCRT stellt sich vor. Berlin (D), 2012.}}