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A total of 352 malaria patients with parasitaemia and fever was classified according to ABO blood groups in an endemic area of Hainan Island. 本文報(bào)告海南島某瘧疾流行地區(qū)的352例瘧疾病人的血型分佈，它與本地區(qū)811名正常人的血型分佈有差異。