References
- Archer DF, McIntyre-Seltman K, Wilborn WW, et al. Endometrial morphology in asymptomatic postmenopausal women. Am J Obstet Gynecol 1991;165:317–22
- Fremont-Smith M, Meigs JV, Graham RM, Gilbert HH. Cancer of endometrium and pro-longed estrogen therapy. J Am Med Assoc 1946; 131:805–8
- Novak E, Yui E. Relation of endometrial hyperplasia to adenocarcinoma of the uterus. Am J Obstet Gynecol 1936;32:674–98
- Ziel HK, Finkle WD. Increased risk of endome-trial carcinoma among users of conjugated estrogens. N Engl J Med 1975;293:1167–70
- Sturdee DW, Ulrich LG, Barlow DH, et al. The endometrial response to sequential and contin-uous combined estrogen—progestogen replace-ment therapy. Br J Obstet Gynaecol 2000;107: 1392–400
- Feeley KM, Wells M. Hormone replacement therapy and the endometrium. J Clin Pathol 2001;54:435–40
- Kloosterboer HJ. Tibolone: a steroid with a tissue-specific action. J Steroid Biochem Molec Biol 2001;76:231–8
- Tax L, Goorissen EM, Kicovic PM. Clinical profile of Org 0D14. Maturitas 1987;1(Suppl): 3–13
- Million Women Study Collaborators. Breast cancer and hormone replacement therapy in the Million Women Study. Lancet 2003;362: 419–27
- Mendelson EB, Bohm-Velez M, Joseph N, Nei-man HL. Endometrial abnormalities: evaluation with transvaginal sonography. Am J Roentgenol 1988;150:139–42
- Nasri MN, Shepherd JH, Setchell ME, Lowe DG, Chard T. The role of vaginal scan in measurement of endometrial thickness in post-menopausal women. Br J Obstet Gynaecol 1991;98:470–5
- Botsis D, Kassanos D, Pyrgiotis E, Zourlas PA. Vaginal sonography of the endometrium in postmenopausal women. Clin Exp Obstet Gynaecol 1992;19:189–92
- Hanggi W, Bersinger NA, Altermatt HJ, Bir-khauser MH. Comparison of transvaginal ultrasonography and endometrial biopsy in endometrial surveillance in postmenopausal women. Maturitas 1997;27:133–43
- Morris EP, Wilson PO, Robinson J, Rymer J. Long term effects of tibolone on the genital tract in postmenopausal women. Br J Obstet Gynae-col 1999;106:954–9
- Rymer JM. Review: The effects of tibolone. Gynecol Endocrinol 1998;12:213–20
- Rymer J, Chapman MG, Fogelman I. Effect of tibolone on postmenopausal bone loss. Osteo-porosis Int 1994;4:314–19
- Rymer J, Fogelman I, Chapman MG. The incidence of vaginal bleeding with tibolone treatment. Br J Obstet Gynaecol 1994;101: 53–6
- Botsis D, Kassanos D, Kalogirou D, Anton-iou G, Vitoratos N, Karakitsos P. Vaginal ultrasound of the endometrium in postmeno-pausal women with symptoms of urogenital atrophy on low-dose estrogen or tibolone treatment: a comparison. Maturitas 1997;26: 57–62
- Doren M, Rubig A, Coelingh Bennink HJ, Holzgreve W. Impact on uterine bleeding and endometrial thickness: tibolone compared with continuous combined estradiol and norethister-one acetate replacement therapy. Menopause 1999;6:299–306