by Syrjänen, Ritva K., Kilpi, Terhi M., Kaijalainen, Tarja H., Herva, Elja E., Takala, Aino K.
Published in The Journal of infectious diseases (15.08.2001)

by Palmu, A A, Kotikoski, M J, Kaijalainen, T H, Puhakka, H J
Published in The Pediatric infectious disease journal (01.06.2001)

by Hanage, William P, Kaijalainen, Tarja H, Syrjänen, Ritva K, Auranen, Kari, Leinonen, Maija, Mäkelä, P. Helena, Spratt, Brian G
Published in Infection and Immunity (2005)