1. Isolation of respiratory syncytial virus from middle ear exudates of infants;Berglund, B.; Salmivalli, A.; Toivanen, P.;Acta oto-laryng. (Stockh.),1966
2. In preparation;Berglund, B.; Salmivalli, A.; Toivanen, P.; Strahlmann, C.-H.,1966
3. Respiratory syncytial virus studies on children hospitalized during an outbreak of respiratory illness in Finland;Berglund, B.; Salmivalli, A.; Toivanen, P.; Strahlmann, C.-H.; Vihma, L.; Wickstrom, J.;Amer. J. Epidem,1965
4. The aetiology of acute middle ear infection;Gronroos, J.A.; Kortekangas, A.E.; Ojala, L.; Vuori, M.;Acta oto-laryng. (Stockh.),1964
5. Clinico-bacteriologic studies on acute otitis media. Aspiration of the tympanum as a diagnostic and therapeutic method;Lahikainen, E.A.;ibid,1953