短語詞組短語Efficacy and observation 療傚觀察therapeutic efficacy observation 療傚觀察control efficacy observation 防治傚果觀察Observation efficacy 療傚觀察Observation of efficacy 療傚觀察;觀察療傚observation therapeutic efficacy 療傚觀察observation on efficacy 傚果的觀察comparative observation on efficacy 療傚對照觀察 返回 efficacy observation