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Binding of types 1 to 7 and 18 of scFv-expressing phages to B. pertussis, FHA, and PRN in ELISA. P is the parent phage carrying pComb3H. The number of phage particles used for each phage type was 5.6 × 1010. Results shown are means ± standard deviations (SD) of triplicates. Bars without an error indicate that the SD is too small to be seen.
