1. National Center for Health Statistics. Health, United States, 1990. DHHS Publ. No. 92-1232. Hyattsville, MD: National Center for Health Statistics; 1990.
2. Calcium, estrogen and progestin in the treatment of osteoporosis;Breslau;Rheum Dis Clin North Am,1994
3. Menopause and hormone replacement therapy;Hammond;Obstet Gynecol,1996
4. Micronized progesterone;Langer;Int J Fertil,1999
5. Oral micronized progesterone;de Lignieres;Clin Ther,1999