Fig. 1From: Diagnosis of O. volvulus infection via skin exposure to diethylcarbamazine: clinical evaluation of a transdermal delivery technology-based patchDifference in duration of patch site itching after LTS-2 and after OCP-patch for each participant. Each circle represents the difference in the duration of itching after the LTS-2 patch and the OCP-patch site for one study participantBack to article page