@misc{indiciaedd3e3822f4e3, title = {Analyzing single protein molecules using optical methods.}, author = {P Schwille and U Kettling}, year = {2001}, doi = {10.1016/s0958-1669(00)00231-7}, url = {https://pubmed.ncbi.nlm.nih.gov/11551467/}, note = {Source identifier: 11551467} }