The Danish selection doctor said on Sunday that the reasons for the discomfort suffered by Christian Eriksen were still not known, despite a battery of examination.
The player remains hospitalized for the time being, for further investigations.
Doctors still have "no explanation" for the heartache of Danish Christian Eriksen during the Denmark-Finland match on Saturday, the Danish national team doctor said on Sunday.
"At the moment, we have no explanation," Morten Boesen said at a press conference.
"This is one of the reasons why he is still hospitalized, to understand what happened," he said, adding that the examinations carried out were "good".
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