Article
Heritability of recurrent tonsillitis.
Archives of otolaryngology--head & neck surgery - 1 May 2005
Kvestad Ellen, Kvaerner Kari Jorunn, Røysamb Espen, Tambs Kristian, Harris Jennifer Ruth, Magnus Per
Abstract excerpt
OBJECTIVE: To estimate the relative contribution of genetic and environmental effects on the variance in the liability of recurrent tonsillitis. DESIGN: Retrospective questionnaire data from a population-based cohort. SETTING: Population-based data from Norway. PARTICIPANTS: A total of 9479 Norwegian twins born between January 1, 1967, and December 31, 1979, identified through the Medical Birth Registry of...
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