Wong, Kelly, and Victoria Lawton. “The Vaginal Speculum: A Review of Literature Focusing On Specula Redesigns and Improvements to the Pelvic Exam”. Columbia Undergraduate Research Journal 5, no. 1 (May 5, 2021). Accessed September 21, 2021. https://journals.library.columbia.edu/index.php/curj/article/view/8084.