@misc{indiciae6451e0696069, title = {Fluorophotometry. I. Technique.}, author = {R Klein and J T Ernest and R L Engerman}, year = {1980}, doi = {10.1001/archopht.1980.01020041083019}, url = {https://pubmed.ncbi.nlm.nih.gov/7447782/}, note = {Source identifier: 7447782} }