Assertion: oral zinc sulphate | /r/HasSubevent | placebo controlled trial
Facets:
value: by .
type: OTHER
value: after two months of therapy
type: TEMPORAL
Source sentences:
text: Oral zinc sulphate (10 mg/kg/day) given for 2 months in common warts also resulted in complete clearance in 61% patients in one month and 87% after two months of therapy in a placebo controlled trial by Al-Gurairi et al. , whereas clearance rate was 50% with the same dose of oral zinc sulphate after 2 months in an open-label clinical study by Mun et al. .