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. 1998 Dec;66(12):5939–5947. doi: 10.1128/iai.66.12.5939-5947.1998

FIG. 4.

FIG. 4

Resistances to NHS of the parental gonococcal strain, FA19 (□), and the LOS mutants containing the pgm mutation (FA19/R6) (◊) and the orfA mutation (FA19/469) (–––) are shown at 10 (A), 25 (B), and 50% (C) NHS. Error bars indicate standard error of the means.