@techreport{Socialstyrelsen (Swedish National Board of Health and Welfare)2006a,
author = {Socialstyrelsen (Swedish National Board of Health and Welfare)},
title= {Childbirth after IVF treatment in Sweden 1982-2001},
year = {2006a},
URL = {http://www.socialstyrelsen.se (August 15, 2006)},
publisher = {Socialstyrelsen, Epidemiologiskt Centrum (Center for Epidemiology)},
address = {Stockholm},
}