Sandelowski, M. (January–February 2000). "This most dangerous instrument: propriety, power, and the vaginal speculum". J Obstet Gynecol Neonatal Nurs. 29 (1): 73–82. doi:10.1111/j.1552-6909.2000.tb02759.x. PMID10660279.
Longmore, P. G. (2004). "Veda-scope: More comfortable than the bivalve speculum and cytologically equivalent". The Australian and New Zealand Journal of Obstetrics and Gynaecology. 44 (2): 140–5. doi:10.1111/j.1479-828X.2004.00180.x. PMID15089838. S2CID22103276.
Thomas, A; Weisberg, E; Lieberman, D; Fraser, I. S. (2001). "A randomised controlled trial comparing a dilating vaginal speculum with a conventional bivalve speculum". The Australian & New Zealand Journal of Obstetrics & Gynaecology. 41 (4): 379–86. doi:10.1111/j.1479-828x.2001.tb01313.x. PMID11787909. S2CID39928557.
Sandelowski, M. (January–February 2000). "This most dangerous instrument: propriety, power, and the vaginal speculum". J Obstet Gynecol Neonatal Nurs. 29 (1): 73–82. doi:10.1111/j.1552-6909.2000.tb02759.x. PMID10660279.
Longmore, P. G. (2004). "Veda-scope: More comfortable than the bivalve speculum and cytologically equivalent". The Australian and New Zealand Journal of Obstetrics and Gynaecology. 44 (2): 140–5. doi:10.1111/j.1479-828X.2004.00180.x. PMID15089838. S2CID22103276.
Thomas, A; Weisberg, E; Lieberman, D; Fraser, I. S. (2001). "A randomised controlled trial comparing a dilating vaginal speculum with a conventional bivalve speculum". The Australian & New Zealand Journal of Obstetrics & Gynaecology. 41 (4): 379–86. doi:10.1111/j.1479-828x.2001.tb01313.x. PMID11787909. S2CID39928557.
Longmore, P. G. (2004). "Veda-scope: More comfortable than the bivalve speculum and cytologically equivalent". The Australian and New Zealand Journal of Obstetrics and Gynaecology. 44 (2): 140–5. doi:10.1111/j.1479-828X.2004.00180.x. PMID15089838. S2CID22103276.
Thomas, A; Weisberg, E; Lieberman, D; Fraser, I. S. (2001). "A randomised controlled trial comparing a dilating vaginal speculum with a conventional bivalve speculum". The Australian & New Zealand Journal of Obstetrics & Gynaecology. 41 (4): 379–86. doi:10.1111/j.1479-828x.2001.tb01313.x. PMID11787909. S2CID39928557.