Fig. 2From: The efficacy of a cyclin dependent kinase 9 (CDK9) inhibitor, FIT039, on verruca vulgaris: study protocol for a randomized controlled trialThe secondary endpoints are illustrated. a Dimensions of a wart are the product of the largest diameter (mm) on an axis line (AL) of the wart and the largest diameter on a normal line of the AL. b The cross-sectional area of a wart is calculated from the pixel count of the digital image. c The number of clots observable through the surface of a wart is countedBack to article page