Fig. 4
From: Fluorescence of ocular surface in a Covid -19 patient after Favipiravir treatment: a case report

A Whole drug, B The drug in two halves, C Solved drug in water and patient’s nail fluorescence
From: Fluorescence of ocular surface in a Covid -19 patient after Favipiravir treatment: a case report

A Whole drug, B The drug in two halves, C Solved drug in water and patient’s nail fluorescence