The epidemiology of prescription drug use. A record-linkage study in Norway

Three surveys will form the basis of this project: a) The Cardiovascular Survey Progamme in Norway 1972-2004, b) The Youth part of a) 2000-2004, c) Norwegian Epidemiological Osteoporosis Studies (NOREPOS) 1994-2001. The information in these databases wil l be supplemented with information on soc...