@misc{indiciaeebfc96a6df92, title = {Not all progestins are the same: implications for usage.}, author = {Janet P Hapgood and Dominique Koubovec and Ann Louw and Donita Africander}, year = {2004}, doi = {10.1016/j.tips.2004.09.005}, url = {https://pubmed.ncbi.nlm.nih.gov/15491776/}, note = {Source identifier: 15491776} }