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. 2019 Jan 23;11(3):329–335. doi: 10.1016/j.jaim.2018.05.006

Fig. 1.

Fig. 1

Schematic representation of the in vitro bioassays developed to evaluate antiviral activity of Nilavembu Kudineer (NVK). Three types of MTT based assays were designed to evaluate the antiviral activity were (1) Pre-incubation assay (2) Post-treatment assay and (3) Preventive assay.