 | Up a level |
Mühlemann, K; Matter, HC; Täuber, MG; Bodmer, T; Sentinel, Working Group (2003). Nationwide surveillance of nasopharyngeal Streptococcus pneumoniae isolates from children with respiratory infection, Switzerland, 1998-1999. Journal of infectious diseases, 187(4), pp. 589-596. Cary, N.C.: The University of Chicago Press 10.1086/367994
