The effects of vaginal lubricants on the human vagina: an in vitro analysis
Dong-Wook Park, Han Tae Jo, In-Ho Lee, Chan-Woo Park, Ju Tae Seo
Clinical and Experimental Obstetrics & Gynecology . 2019, (3): 427 -433 .  DOI: 10.12891/ceog4671.2019