by the 16-week visit , eight ( 36.4 % ) of 22 subjects in the amoxicillin-clavulanate-treated group who were effusion free at four weeks had recurrence of effusion , compared with 12 ( 63.2 % ) of 19 subjects in the amoxicillin-treated group .
C0054066
amoxicillin-clavulanate
C0002645
amoxicillin