@misc{indiciae09a34085d084, title = {Catecholamine binding to the beta-adrenergic receptor.}, author = {R J Lefkowitz and L T Williams}, year = {1977}, doi = {10.1073/pnas.74.2.515}, url = {https://pubmed.ncbi.nlm.nih.gov/15249/}, note = {Source identifier: 15249} }