1. D’Amati G, i Gioia CR, Proietti Pannunzi L, et al.: Functional anatomy of the human vagina. J Endocrinol Invest 2003, 26(Suppl3):S92-S96. This article provides much needed information regarding the anatomy and physiology involved in female sexual response. It includes information regarding the molecular basis of sexual excitation, clitoral anatomy, vaginal anatomy, nitric oxide synthase in female genital tissues, PDE5 in the female genital tissues, and the anatomy of the G-spot and female ejaculation.
2. Ladas AK, Whipple B, Perry JD: The G Spot and Other Recent Discoveries About Human Sexuality. New York: Henry Holt & Co; 2005. Originally published in 1982, this book popularized and defined the G-spot and other important areas of female sexual function, including "female ejaculation," the importance of pelvic muscle tone, and the continuum of orgasmic response. This book highlights both scientific research and anecdotal accounts supporting the existence of the G-spot and female ejaculation.
3. Gräfenberg E: The role of the urethra in female orgasm. Int J Sexol 1950, 3:145–148.
4. Perry JD, Whipple B: Pelvic muscle strength of female ejaculation. J Sex Res 1981, 17:22–39.
5. Addiego F, Belzer EG, Comolli J, et al.: Female ejaculation: a case study. J Sex Res 1981, 17:13–21.