1981年9至11月我们在桂西凌云县伶站公社用体外微量测定法(简称微量法)测定恶性疟原虫对氯喹的敏感性,同时用世界卫生组织(1973)推荐的体内四周法(简称四周法)进行比较观察,结果如下: 材料和方法 一、微量法所用的氯喹测定板和冻干培养基均系中国预防医学中心寄生虫病研究所供给。 二、病例选择及测试方法:观察15例均为14天内未服过抗疟药、经伊红法(或迈氏法)测定尿中 From September to November 1981, we measured the susceptibility of Plasmodium falciparum to chloroquine in vitro by Lingtong Commune in Lingyun County, Guangxi Province. At the same time, we used the four weeks method (World Health Organization, 1973) Four weeks) were compared and the results are as follows: Materials and methods First, trace determination of chloroquine plate and freeze-dried medium are supplied by the Institute of Parasitic Diseases, Chinese Academy of Preventive Medicine. Second, the case selection and test methods: observed in 15 cases were not taken within 14 days of anti-malaria drugs, the Iraq-Hong method (or Mae Fah)