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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get_journal_abstracts(self, refresh=True):
 """Return a list of ScopusAbstract objects using ScopusSearch, but only if belonging to a Journal."""

        return [abstract for abstract in self.get_abstracts(refresh=refresh) if
                abstract.aggregationType == 'Journal']