21(1)
Østhus, S. & Amundsen, E. (2011) “Estimating levels and trends in alcohol use – investigating the validity of estimates based on Norwegian population surveys”, Norsk Epidemiologi, 21(1): 25-34.
Østhus, S. & Amundsen, E. (2011) “Estimating levels and trends in alcohol use – investigating the validity of estimates based on Norwegian population surveys”, Norsk Epidemiologi, 21(1): 25-34.