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Can Commun Dis Rep
; 28(21): 173-8, 2002 Nov 01.
Article
in English, French
| MEDLINE
| ID: mdl-12448885
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Ned Tijdschr Geneeskd
; 122(6): 212, 1978 Feb 11.
Article
in Dutch
| MEDLINE
| ID: mdl-625367