With this function, the resolver checks all associated URLs and marks them either with a green tick or, in the event of an error, with a red cross. Users are redirected to the first URL marked in green.

Analyse	urn:nbn:de:hebis:04-eb2021-00712
	https://archiv.ub.uni-marburg.de/eb/2021/0071 Success. Document available.

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