@article {21, editor = {,}, title = {17β-estradiol reduced depressive and somatic symptoms in perimenopausal women}, volume = {7}, number = {1}, pages = {21--21}, year = {2002}, doi = {10.1136/ebm.7.1.21}, publisher = {Royal Society of Medicine}, issn = {1356-5524}, URL = {https://ebm.bmj.com/content/7/1/21}, eprint = {https://ebm.bmj.com/content/7/1/21.full.pdf}, journal = {BMJ Evidence-Based Medicine} }