Full text: Available Index: IMSEAR (South-East Asia) Main subject: Austria / Sri Lanka / Switzerland / Humans / Prevalence / Sodium Chloride, Dietary / Risk Assessment / Dietary Supplements / Germany / Hyperthyroidism Type of study: Etiology study / Prevalence study / Risk factors Country/Region as subject: Asia / Europa Language: English Journal: Ceylon Med J Year: 2000 Type: Article