K. Hansen, und D. Singer. Pediatric and Developmental Pathology: The Official Journal of the Society for Pediatric Pathology and the Paediatric Pathology Society, 4 (2):
105--121(April 2001)PMID: 11178626.
C. Fijen, E. Kuijper, M. te Bulte, M. Daha, und J. Dankert. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 28 (1):
98--105(Januar 1999)PMID: 10028078.
R. Tsang, M. Sill, S. Skinner, D. Law, J. Zhou, und J. Wylie. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 44 (12):
1611--4(Juni 2007)PMID: 17516405.
M. Breukels, E. van der Zijde, M. van Tol, und G. Rijkers. Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America, 34 (2):
191--7(Januar 2002)PMID: 11740707.
J. Bigham, M. Hutcheon, D. Patrick, und A. Pollard. Canada Communicable Disease Report = Relevé Des Maladies Transmissibles Au Canada, 27 (2):
13--8(Januar 2001)PMID: 11227821.