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RT @paula_kersten: Proxy-reported outcomes should be used with caution when patient-reported outcomes are not available http://t.co/sPwCAx…
RT @paula_kersten: Proxy-reported outcomes should be used with caution when patient-reported outcomes are not available http://t.co/sPwCAx…
Proxy-reported outcomes should be used with caution when patient-reported outcomes are not available http://t.co/sPwCAxjYJr