References:
1.Women’s Health Initiative. Questions and Answers about the WHI Post-Menopausal Hormone Therapy Trials. Department of Health and Human Services, National Institutes of Health, National Heart, Lung, and Blood Institute. Accessed 6/5/2014. http://www.nhlbi.nih.gov/whi/whi_faq.htm
2.Gurney EP, Nachtigall MJ, Nachtigall LE, Naftolin F. The Women’s Health Initiative trial and related studies: 10 years later: A clinician’s view. J Steroid Biochem Mol Biol. 2014 Jul;142C:4-11. http://www.ncbi.nlm.nih.gov/pubmed/24172877
3.FDA, Estrogen and Estrogen with Progestin Therapies for Postmenopausal Women. U.S. Food and Drug Administration, Page Last Updated: 06/22/2010. 10903 New Hampshire Avenue, Silver Spring, MD 20993. Ph. 1-888-INFO-FDA (1-888-463-6332). Accessed 6/5/2014. http://www.fda.gov/drugs/drugsafety/informationbydrugclass/ucm135318.htm