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IP address: 3.92.84.196
Time: 2024-03-29T09:39:41Z
URL: http://scholar.google.com/scholar_lookup?title=External+validation+is+necessary+in+prediction+research%3A+a+clinical+example&year=2003&author=Bleeker&journal=J+Clin+Epidemiol&volume=56&issue=9&pages=826-832&doi=10.1016%2FS0895-4356%2803%2900207-5&pmid=14505766