@misc{indiciaeeac57f24559c, title = {[Non-invasive methods for evaluating beta adrenergic blockade].}, author = {G Stritzler and G Silva and C J Perec and O Tumilasci and A Demartini}, year = {1988}, url = {https://pubmed.ncbi.nlm.nih.gov/2474739/}, note = {Source identifier: 2474739} }