Source:
Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke [Tidsskr Nor Laegeforen] 1999 Jun 10; Vol. 119 (15), pp. 2173-6.Publisher: Norske Laegeforening Country of Publication: Norway NLM ID: 0413423 Publication Model: Print Cited Medium: Print ISSN: 0029-2001