Carita Savolainen1, Tapani Hovi. 1. WHO Collaborating Centre for Poliovirus Reference and Research, Enterovirus Laboratory, Department of Microbiology, National Public Health Institute (KTL), 00300, Helsinki, Finland. carita.savolainen@ktl.fi <carita.savolainen@ktl.fi>
Authors: M Profita; G Chiappara; F Mirabella; R Di Giorgi; L Chimenti; G Costanzo; L Riccobono; V Bellia; J Bousquet; A M Vignola Journal: Thorax Date: 2003-07 Impact factor: 9.139