@misc{indiciaeefb7984ba0b1, title = {Chorionic gonadotropin concentration.}, author = {M Roger}, year = {1981}, doi = {10.1016/s0015-0282(16)45749-3}, url = {https://pubmed.ncbi.nlm.nih.gov/7286262/}, note = {Source identifier: 7286262} }