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  Indian J Med Microbiol
 

Figure 2: Scanning electron micrograph (under ×500) of (a) control beads, (b) F1, (c) F2, (d) F3, (e) F4, (f) F5, and (g) F6

Figure 2: Scanning electron micrograph (under ×500) of (a) control beads, (b) F1, (c) F2, (d) F3, (e) F4, (f) F5, and (g) F6