@misc{hopp_testing_the_2003, 
author={Hopp, M.,Rogaschewski, S.,Groth, T.},
title={Testing the cytotoxicity of metal alloys used as magnetic prosthetic devices},
year={2003},
howpublished = {journal article},
note = {Online available at: \url{} (DOI). Hopp, M.; Rogaschewski, S.; Groth, T.: Testing the cytotoxicity of metal alloys used as magnetic prosthetic devices. Journal of Materials Science: Materials in Medicine. 2003. vol. 14, no. 4, 335-345.}}