And Wenger added: "If a player gets injured with his country he should be sent back to his club straight away to be checked by their doctors, not by those of the national team.
"Countries just take your players away for a friendly and then give him back and say: 'There you go'. It doesn't happen in any other sport."
A KNVB statement said: "Directly after Van Persie was injured, the doctor of the Netherlands team diagnosed an ankle ligament problem.
"The Arsenal striker went to the hospital in Amsterdam on Sunday (after the game which took place on a Saturday) where further examination (MRI scan) confirmed the diagnosis of the Netherlands team - he had a ruptured ligament of his right ankle.
"The medical staff of the KNVB contacted Arsenal club doctor Gary O'Driscoll the same Sunday to inform him about the outcome of the investigation and to transfer the medical record regarding this injury.
"The scan was also handed over to the medical staff of Arsenal."
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