"The European Health Insurance Card documents that you are entitled to necessary medical treatment during temporary stays in other EEA countries or in Switzerland. You are entitled to treatment on a par with the citizens of the country where you are staying."

Here are the links for Norwegian students to order "The European Health Insurance Card."

In Norwegian:
www.trygdeetaten.no/default.asp?strTema=utland&path=europeisk_mrhelsetrygdkort

In English:
www.trygdeetaten.no/default.asp?strTema=utland&path=european_mrhealth_mrinsurance_mrcard