Karolinska Institutet ( often translated from Swedish into English as the Karolinska Institute , the - et being a definite article , and in older texts often as the Royal Caroline Institute ) is a medical university in Solna within the Stockholm urban area , Sweden , and one of Europe 's largest and most prestigious medical universities .
Karolinska Institutet ( in English Karolinska Institute ) , and before 1968 , the Royal Caroline Institute ) is one of Europe 's biggest medical universities .