after treatment with ampicillin or amoxicillin ( n = 10 ) or greater than or equal to 2 g of metronidazole ( n = 9 ) , no curved motile rods were detected by gram stain or culture , although the minimal inhibitory concentration of metronidazole was greater than or equal 8 micrograms/ml for 11 of the 13 isolates tested .
C0002680
ampicillin
C0002645
amoxicillin