1 "Ficheiro:Barlow_Mechanical_Straing_Gauge_and_Vaginal_Photoplethysmograph.jpg".

Ficheiro:Barlow Mechanical Straing Gauge and Vaginal Photoplethysmograph.jpg

December 2023 English Barlow mechanical strain gauge (measures penile circumference) next to vaginal photoplethysmograph (measures vaginal flow) object of statement...