minimum effective dose

例句：

1. 1. The drug was administered at the minimum effective dose to ensure maximum efficacy.
   药物以最小有效剂量给药以确保最大效果。
2. 2. The study aimed to determine the minimum effective dose for this medication.
   该研究旨在确定这种药物的最小有效剂量。
3. 3. Due to the patient's weakened immune system, the doctor adjusted the dosage of the antibiotic to a minimum effective dose.
   由于患者的免疫系统较弱，医生将抗生素的剂量调整到了最小有效剂量。