References
- Amso N. N., Bostock J., Burwood R., Shaw R. W. Pelvic ultrasonography in the initial investigation of subfertile women. Journal of Obstetrics and Gynaecology 1991; 11: 59–60
- Bernaschek G., Rudelstorfer R., Csaicsich P. Vaginal sonography versus serum human chorionic gonadotrophin in early detection of pregnancy. American Journal of Obstetrics and Gynecology 1988; 158: 608–612
- Drugan A., Blumenfeld Z., Erlik Y., Timor‐Tritsch I. E., Brandes J. M. The use of transvaginal sonography in infertility. Transvaginal Ultrasonography, J. E. Timor‐Tritsch, S. Rottem. Heinemann, London 1989; 143–159
- Guidetti R., Simonazzi E., Gori F., Chiodi A., Luzi G., Di Renzo G. C., Cosmi E. V. Vaginal sonography: a new method for examining the pelvis. Journal of Obstetrics and Gynaecology 1987; 8: 148–150
- Lancet. Transvaginal ultrasound. Lancet 1989; ii: 19–20
- Lim B. H., Tan C. E., Smith A. P. M., Smith N. C. Transvaginal ultrasonography for the diagnosis of placenta praevia. Lancet 1989; i: 444
- Lind T., Whittaker P. G. How positive is a positive pregnancy test?. British Medical Journal 1988; 296: 730–731
- Timor‐Tritsch I. E., Bar‐Yam Y., Elgali S., Rottem S. The technique of transvaginal sonography with the use of a 6–5 MHz probe. American Journal of Obstetrics and Gynecology 1988; 158: 1019–1024