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. 2020 Feb 5;15:795–807. doi: 10.2147/IJN.S230893

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© 2020 Nirmala et al.

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UV-Spectroscopic measurements of formulations with oil: surfactant ratios of 1:1, 1:2, 1:3 at 600 nm displays a decrease in absorbance with increased surfactant concentration.