Gudnason T, Gudbrandsson F, Barsanti F, Kristinsson K G
Department of Pediatrics and Microbiology, National University Hospital (Landspitalinn) of Iceland, Reykjavik.
Pediatr Infect Dis J. 1998 Mar;17(3):258-60. doi: 10.1097/00006454-199803000-00022.