Weekend effect on mortality by medical specialty in six secondary hospitals in the Helsinki metropolitan area over a 14-year period

by Morag Tolvi, Kimmo Mattila, Jari Haukka, Leena-Maija Aaltonen, Lasse Lehtonen
Published 2020-04-01

Peritonsillar abscess may not always be a complication of acute tonsillitis: A prospective cohort study.

by Enni Sanmark, Johanna Wikstén, Hannamari Välimaa, Leena-Maija Aaltonen, Taru Ilmarinen, Karin Blomgren
Published 2020-01-01

Root causes of extended length of stay and unplanned readmissions after orthopedic surgery and hand surgery: a retrospective observational cohort study

by Morag Tolvi, Hanna Tuominen-Salo, Mika Paavola, Kimmo Mattila, Leena-Maija Aaltonen, Lasse Lehtonen
Published 2020-06-01

Multiplex detection in tonsillar tissue of all known human polyomaviruses

by Mohammadreza Sadeghi, Yilin Wang, Torbjörn Ramqvist, Leena-Maija Aaltonen, Lari Pyöriä, Mari Toppinen, Maria Söderlund-Venermo, Klaus Hedman
Published 2017-06-01

Extinct type of human parvovirus B19 persists in tonsillar B cells

by Lari Pyöriä, Mari Toppinen, Elina Mäntylä, Lea Hedman, Leena-Maija Aaltonen, Maija Vihinen-Ranta, Taru Ilmarinen, Maria Söderlund-Venermo, Klaus Hedman, Maria F. Perdomo
Published 2017-04-01