Ikeda Y, Shinozuka J, Miyazawa T, Kurosawa K, Izumiya Y, Nishimura Y, Nakamura K, Cai J, Fujita K, Doi K, Mikami T. Apoptosis in feline panleukopenia virus-infected lymphocytes. J Virol. 1998 Aug; 72(8):6932-6.