@misc{indiciae111771f8b73e, title = {Radioreceptor assay for human chorionic gonadotropin.}, author = {C Y Lee and R J Ryan}, year = {1975}, doi = {10.1210/jcem-40-2-228}, url = {https://pubmed.ncbi.nlm.nih.gov/163971/}, note = {Source identifier: 163971} }