«Trends in teenage fertility, abortion, and pregnancy rates in Iceland compared with other Nordic countries, 1976-99». Acta Obstetricia et Gynecologica Scandinavica(en inglés)82 (1): 38-47. 2003. PMID12580838. doi:10.1034/j.1600-0412.2003.820107.x.
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«Trends in teenage fertility, abortion, and pregnancy rates in Iceland compared with other Nordic countries, 1976-99». Acta Obstetricia et Gynecologica Scandinavica(en inglés)82 (1): 38-47. 2003. PMID12580838. doi:10.1034/j.1600-0412.2003.820107.x.