@misc{ma_control_stem_2012, 
author={Ma, N.},
title={Control Stem Cell-Biomaterial Interactions},
year={2012},
howpublished = {conference lecture: Berlin (D); 29.02.2012},
note = {Online available at: \url{} (DOI). Ma, N.: Control Stem Cell-Biomaterial Interactions. BCRT - Nordamerikadelegation. Berlin (D), 2012.}}