@misc{indiciae6db4ad4927f9, title = {Letter: Impotence from propranolol?}, author = {J W Knarr}, year = {1976}, doi = {10.7326/0003-4819-85-2-259\_2}, url = {https://pubmed.ncbi.nlm.nih.gov/942154/}, note = {Source identifier: 942154} }