@article{doi:,
author = {Cleophas, T. C. and Meulen J., Van Der},
title = {Beta-blockers: ancillary properties important after all?},
journal = {Eastern J Med},
volume = {4},
number = {1},
pages = {1-5},
year = {1999},
doi = {},
note ={doi: },

URL = {https://dx.doi.org/},
eprint = {https://dx.doi.org/}
}