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  Indian J Med Microbiol
 

Figure 4: Aggregation of RBC by incubation of (a) SB1, (b) SB2, (c) normal saline (negative control) and (d) polyethylene imine (positive control)

Figure 4: Aggregation of RBC by incubation of (a) SB1, (b) SB2, (c) normal saline (negative control) and (d) polyethylene imine (positive control)