The dosage of chloroquine (CQ)required to inhibit 50% spermidine (SPD) levels in mice RBC infected with CQ-resistant (CR) and sensitive (CS) strains of P. berfjhei were found to be 400mg/kg and 20mg/kg respectively.

• 抑制伯氏疟原虫感染RBC中50%25精脒量,抗氯喹株需要喂服400mg/kg氯喹,而敏感的为20mg/kg,相差至少20倍。