Lack of IgA envelope-reactive antibody producing cells in terminal ileum in early and chronic HIV-1 infection oleh Trama AM, Liao H, Foulger A, Marshall DJ, Whitesides JF, Parks R, Meyerhoff R, Lloyd KE, Donathan M, Lucas J, Soderberg K, Kepler TB, Vandergrift N, Yates N, Tomaras GD, Moody MA, Haynes BF