W. Bellini/J. Rota/P. Rota: Virology of measles virus. J. Infect. Dis. 170 Suppl. 1 (1994), 15-23. D. Griffin/B. Ward/L. Esolen: Pathogenesis of measles virus infection - a hypothesis for altered immune responses. J. Infect. Dis. 170 Suppl. 1 (1994), 24-31.