Impact of cryopreservation on tetramer, cytokine flow cytometry, and ELISPOT. - Maecker HT; Moon J; Bhatia S; Ghanekar SA; Maino VC; Payne JK; Kuus-Reichel K; Chang JC; Summers A; Clay TM; Morse MA; Lyerly HK; et al. (BMC immunology, 2005)