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...Int j curr microbiol app sci international journal of current microbiology and applied sciences issn volume number homepage http www ijcmas com original research article https doi org evaluation microbial contamination using various air sampling techniques in operation theatres k vijitha alva thomas s kuruvilla department father muller medical college mangalore karnataka india corresponding author a b t r c the ots continues to increase prevalence nosocomial infections our study evaluates find suitable keywords technique assess quality total samples were collected from tertiary care centre by an active method sampler slit passive settle plate theaters sheep blood agar cm petri plates mean count both was colony forming units cfu m respectively most normal limits labor ot at rest exceeded maximum limit value info...