@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/} }