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Time-kill curves of active drug combinations against six-day-old stationary phase B. henselae in comparison with clinical drugs. Antibiotics were added to the stationary phase culture at time point 0, and at different times of drug exposure (day 1, day 3, and day 5), portions of bacteria were removed and washed and plated on Columbia blood agar for CFU counts. The concentration of antibiotics was 5 μg/mL
