Capeding MRZ, Nohynek H, Ruutu P, Leinonen M. Evaluation of a new tube latex agglutination test for detection of type-specific pneumococcal antigens in urine. J Clin Microbiol 1991;29:1818-1821.
Zeta-Capeding R, Nohynek H, Sombrero L, Esparar G, Mondoy M, Pascual L, Esko E, Leinonen M, Ruutu P. The effect of the anatomical site of sampling on the results of upper respiratory tract carriage of Streptococcus pneumoniae and Haemophilus influenzae. J Clin Microbiol 1995;33:3077-9.
Lankinen KS, Salo P, Rapola S, Salo E, Takala AK, Leinonen M. Pneumococcal capsular antigen detection after enrichment culture: an alternative to culture methods in epidemiological research. Am J Trop Med Hyg 1997;56:211-5.
Lankinen KS, Ruutu P, Nohynek H, Lucero MG, Paton JC, Leinonen M.
Pneumococcal pneumonia diagnosis by demonstration of pneumolysin
antibodies in precipitated immune complexes – A study in 350
Philippine children with acute lower respiratory tract infection.. Scand
Infect Dis J 1999;31:155-61.