Studies on the specificity of agglutinins against human erythrocytes modified by Newcastle disease virus.

Por Pyhälä, R, Aho, K
Publicado em 1975

Agglutinins against human erythrocytes modified by Newcastle disease virus in Mycoplasma pneumoniae infections

Por Aho, K., Pyhälä, R.
Publicado em 1974

Letter: HI antibodies to influenza A-Finland-1-74.

Por Pyhälä, R, Cantell, K
Publicado em 1974

Post-influenzal encephalitis during the influenza A outbreak in 1979/1980

Por Sulkava, R, Rissanen, A, Pyhälä, R
Publicado em 1981

Host cell-mediated selection of influenza A (H3N2) virus variant subpopulations: lack of association between antigenic and receptor-binding properties.

Por Pyhälä, R., Pyhälä, L., Pekkala, P.
Publicado em 1988

Egg-grown and tissue-culture-grown variants of influenza A (H3N2) virus with special attention to their use as antigens in seroepidemiology.

Por Pyhälä, R., Pyhälä, L., Valle, M., Aho, K.
Publicado em 1987

Reappearance of influenza B/Victoria/2/87-lineage viruses: epidemic activity, genetic diversity and vaccination efficacy in the Finnish Defence Forces.

Por Ikonen, N., Pyhälä, R., Axelin, T., Kleemola, M., Korpela, H.
Publicado em 2005

Phylogenetic and antigenic analysis of influenza A(H3N2) viruses isolated from conscripts receiving influenza vaccine prior to the epidemic season of 1998/9.

Por Pyhälä, R., Ikonen, N., Haanpää, M., Santanen, R., Tervahauta, R.
Publicado em 2002

Influenza epidemics and anencephaly.

Por Saxén, L, Holmberg, P C, Kurppa, K, Kuosma, E, Pyhälä, R
Publicado em 1990