![Genetic Variation of HIV Type 1 in Four World Health Organization-Sponsored Vaccine Evaluation Sites: Generation of Functional Envelope (Glycoprotein 160) Clones Representative of Sequence Subtypes A, B, C, and E]()
Genetic Variation of HIV Type 1 in Four World Health Organization-Sponsored Vaccine Evaluation Sites: Generation of Functional Envelope (Glycoprotein 160) Clones Representative of Sequence Subtypes A, B, C, and EGAO, FENG; YUE, LING; CRAIG, STEVENSON; THORNTON, CHARLOTTE L.; ROBERTSON, DAVID L.; McCUTCHAN, FRANCINE E.; BRADAC, JAMES A.; SHARP, PAUL M.; HAHN, BEATRICE H. · AIDS Research and Human Retroviruses · 1994