@misc{indiciae456ff958f79a, title = {Cyclic hormone replacement therapy using quarterly progestin.}, author = {B Ettinger and J Selby and J T Citron and A Vangessel and V M Ettinger and M R Hendrickson}, year = {1994}, url = {https://pubmed.ncbi.nlm.nih.gov/8164927/}, note = {Source identifier: 8164927} }