Fig. 4From: Eco-friendly resolution of spectrally overlapping signals of a combined triple-action over-the-counter pharmaceutical formulation for symptomatic management of COVID-19 pandemic: application to content uniformity testingRatio spectra of PAR (Blue line) 20.0 μg/mL, ASP (red dotted line) 20.0 μg/mL, and DIPH (green dashed line) at 3.0 μg/mL using 10.0 μg/mL PAR as a divisorBack to article page