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  Indian J Med Microbiol
 

Figure 1: Scanning electron microphotographs of floating microbal­loons (batch A3): (a) the size range of microballoons; (b) smoothness of the surface of spherically shaped microballoons

Figure 1: Scanning electron microphotographs of floating microbal­loons (batch A3): (a) the size range of microballoons; (b) smoothness of the surface of spherically shaped microballoons