by Grönlund, M-M, Arvilommi, H, Kero, P, Lehtonen, O-P, Isolauri, E
Published in Archives of disease in childhood. Fetal and neonatal edition (01.11.2000)

by Grölund, Minna-Maija, Lehtonen, Olli-Pekka, Eerola, Erkki, Kero, Pentti
Published in Journal of pediatric gastroenterology and nutrition (01.01.1999)

by KOTILAINEN, P, JALAVA, J, MEURMAN, O, LEHTONEN, O.-P, RINTALA, E, SEPPÄLÄ, O.-P, EEROLA, E, NIKKARI, S
Published in Journal of Clinical Microbiology (01.08.1998)

by SALONEN, J. H, RICHARDSON, M. D, GALLACHER, K, ISSAKAINEN, J, HELENIUS, H, LEHTONEN, O.-P, NIKOSKELAINEN, J
Published in The Journal of hospital infection (01.08.2000)

by Jalava, J, Kotilainen, P, Nikkari, S, Skurnik, M, Vänttinen, E, Lehtonen, O P, Eerola, E, Toivanen, P
Published in Clinical infectious diseases (01.10.1995)

by Grönlund, M M, Nuutila, J, Pelto, L, Lilius, E M, Isolauri, E, Salminen, S, Kero, P, Lehtonen, O P
Published in Clinical and experimental immunology (01.06.1999)

by Hartikainen, Jouko, Lehtonen, Olli-Pekka, Saari, K Matti
Published in British journal of ophthalmology (01.01.1997)

by Honkinen, Olli, Lehtonen, Olli-Pekka, Ruuskanen, Olli, Huovinen, Pentti, Mertsola, Jussi
Published in BMJ (20.03.1999)

by SALONEN, J. H, RIMPILÄINEN, M, LEHTONEN, L, LEHTONEN, O.-P, NIKOSKELAINEN, J
Published in European journal of clinical microbiology & infectious diseases (03.04.2001)

by EEROLA, E, LEHTONEN, O.-P
Published in Journal of Clinical Microbiology (01.09.1988)

by GRANBERG, C, MANSIKKA, A, LEHTONEN, O.-P, KUJARI, H, GRÖNFORS, R, NURMI, H, RÄIHÄ, I, STÅHLBERG, M.-R, LEINO, R
Published in Journal of Clinical Microbiology (01.06.1993)

by Kotilainen, P, Merilahti-Palo, R, Lehtonen, O P, Manner, I, Helander, I, Möttönen, T, Rintala, E
Published in Journal of rheumatology (01.07.1996)

by Ahtonen, P., Lehtonen, O.‐P., Kero, P., Eerola, E.
Published in Letters in applied microbiology (01.02.1997)

by Rantala, Arto, Lehtonen, Olli-Pekka, Niinikoski, Juha
Published in American journal of infection control (01.10.1997)

by Grönlund, Minna-Maija, Salminen, Seppo, Mykkänen, Hannu, Kero, Pentti, Lehtonen, Olli-Pekka
Published in APMIS : acta pathologica, microbiologica et immunologica Scandinavica (01.07.1999)

by Kortekangas, P, Aro, H T, Lehtonen, O P
Published in Scandinavian journal of rheumatology (1995)

by Tertti, R., Granfors, K., Lehtonen, O.-P., Mertsola, J., Mäkelä, A.-L., Välimäki, I., Hänninen, P., Toivanen, A.
Published in The Journal of infectious diseases (01.02.1984)

by Tenovuo, J., Grahn, E., Lehtonen, O.-P., Hyyppa, T., Karhuvaara, L., Vilja, P.
Published in Journal of dental research (01.02.1987)

by Ahtonen, P, Lehtonen, O P, Kero, P, Eerola, E, Hartiala, K
Published in Acta pædiatrica (Oslo) (01.04.1994)

by Tenovuo, J., Lehtonen, O.-P., Aaltonen, A.S.
Published in Caries research (01.01.1990)