[9] This, in combination with a handful
of case studies and
preliminary research showing improved outcomes after IV vitamin C administration, [10] calls for thorough
evaluation of vitamin C as a potential cancer treatment.
Since in references for a
preliminary ruling the determinations
of national courts will generally be accepted by the CJEU, and a request to intervene in a
preliminary ruling procedure to submit observations on third country law is not possible, there is a risk that a judgment in such a
case could be based on an insufficient
evaluation of third country law, such as when the evidence concerning such law is uncontested and is presented only by a single party.