@misc{indiciae2a48b7808eaa, title = {Studies on a thyroid stimulating factor in urinary chorionic gonadotrophin preparations.}, author = {A Burger}, year = {1967}, doi = {10.1530/acta.0.0550587}, url = {https://pubmed.ncbi.nlm.nih.gov/4952607/}, note = {Source identifier: 4952607} }