Heysell, S K; Ogarkov, O B; Zhdanova, S; Zorkaltseva, E; Shugaeva, S; Gratz, J; Vitko, S; Savilov, E D; Koshcheyev, M E; Houpt, E R

Ogarkov, O B; Ebers, A; Zhdanova, S; Moiseeva, E; Koshcheyev, M E; Zorkaltseva, E; Shugaeva, S; Vitko, S; Lyles, G; Houpt, E R; Heysell, S K

Thomas, T A; Heysell, S K; Houpt, E R; Moore, J L; Keller, S J

Guo, X; Roberts, M R; Becker, S M; Podd, B; Zhang, Y; Chua, S C Jr; Myers, M G Jr; Duggal, P; Houpt, E R; Petri, W A Jr

Kibiki G S, Myers L C, Kalambo C F, Hoang S B, Stoler M H, Stroup S E, Houpt E R