At six clinical sites, 47 subjects aged 9 to 18 years and 46 subjects aged 19 to 30 years were randomized to 12 weeks of treatment with PPT, VT/orthoptics, or placebo VT/orthoptics.是什么意思_At six clinical sites, 47 subjects aged 9 to 18 years and 46 subjects aged 19 to 30 years were randomized to 12 weeks of treatment with PPT, VT/orthoptics, or placebo VT/orthoptics.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句