anti-influenza serum and nasal antibody titers were followed during a double-blind , placebo-controlled , randomized study assessing the prophylactic efficacy of 50 , 100 , and 200 mg/day of amantadine hydrochloride against experimental challenge with influenza a/beth/1/85 .
C0936072
amantadine hydrochloride
C0021400
influenza