-
- Andrew J Hall, Leland J Yee, and Sara L Thomas.
- Infectious Disease Epidemiology Unit, Department of Infectious and Tropical Diseases, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK. andy.hall@lshtm.ac.uk
- Int J Epidemiol. 2002 Apr 1; 31 (2): 300-1.
no abstract available
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