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Transfer two 1-mL aliquots to suitable tubes, and make appropriate serial dilutions in sterilized Purified Water, the dilutions being selected as calculated to yield preferably 30 to 300 colonies, but not less than 6, on each of a pair of plates when treated as described below.

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king0654(½ð±Ò+6, ²©Ñ§EPI+1): 2011-03-03 21:41:49
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