A cloned repetitive DNA sequence (rep 20) labeled with 32P was evaluated as diagnostic probe for P. falciparum in 39 blood samples from Hainan and Yunan provinces.

• 用~(33)P中标记的质粒PF rep20探针以DNA-DNA斑点杂交检测5种疟原虫；仅恶性疟原虫P.