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Appl Environ Microbiol. 1984 August; 48(2): 441-443
ABSTRACT
In the absence of food debris, m-FC agar counts of Escherichia coli on Oxoid Nuflow membrane filters (Oxoid Canada Inc., Nepean, Ontario, Canada) were lower than the corresponding surface plate counts. For seven food types tested, recovery of E. coli improved with increasing thickness of food debris on the membrane filter, and mats thicker than 0.5 micron protected the organism completely.
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