В това проучване дозата Revatio започва с 20 mg три пъти дневно и се увеличава на 40 mg, а след това 80 mg на седмици 4 и 8.
In this study, the dose of Revatio started at 20 mg three times a day, and was increased to 40 mg and then to 80 mg at weeks 4 and 8.