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  Indian J Med Microbiol
 

Figure 4: Heat maps. (a) Abrasion of 1.0 mm; (b) Laypeople; (d) Abrasion of 1.25 mm; (e) Laypeople; (c and f) Students

Figure 4: Heat maps. (a) Abrasion of 1.0 mm; (b) Laypeople; (d) Abrasion of 1.25 mm; (e) Laypeople; (c and f) Students