1. Group A meningococcal polysaccharide vaccine and course of the group A meningococcal epidemic in Finland;Peltola;Scand J Infect Dis,1978
2. Le vaccin antiméningococcique du type A: premiers essais contrôlés en Afrique de l'Ouest;Ettori;Méd Trop,1977
3. A second controlled field trial of a serogroup A meningococcal polysaccharide vaccine in Alexandria;Wahdan;Bull Wld Hlth Org,1977
4. Persistence of antibody following immunisation of children with group A and group C meningococcal polysaccharide vaccines;Lepow;Pediatrics,1977
5. Meningococcal vaccination in Finland;Mäkelä,1979