3WLB:
reference: Switching and emergence of CTL epitopes in HIV-1 infection., Han C, Kawana-Tachikawa A, Shimizu A, Zhu D, Nakamura H, Adachi E, Kikuchi T, Koga M, Koibuchi T, Gao GF, Sato Y, Yamagata A, Martin E, Fukai S, Brumme ZL, Iwamoto A, Retrovirology. 2014 May 21;11(1):38. doi: 10.1186/1742-4690-11-38. PMID: 24886641

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