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. Author manuscript; available in PMC: 2019 Jan 5.
Published in final edited form as: Acta Derm Venereol. 2017 Jul 5;Suppl 218:5–13. doi: 10.2340/00015555-2717

Fig. 1. Laser doppler imaging of blood flow in a patch test.

Fig. 1

Printed with permission from Fullerton et al. (2002) (10). The perfusion image can be analysed by an integrated system software. The relative colour scale extends from the smallest and the largest perfusion value (from green to red). (https://www.perimed-instruments.com/skin-patch-testing).