_:vb51066267 . _:vb51066267 _:vb51066268 . _:vb51065818 _:vb51066267 . . _:vb51066785 _:vb51066786 . _:vb51065819 _:vb51066785 . _:vb51066268 . . "The characteristics of associated patients, such as age, gender, race etc."@en . . . _:vb51066786 . . _:vb51066268 . . . _:vb51066786 . _:vb51066268 . . "Epidemiology"@en . _:vb51065818 . _:vb51065819 . . _:vb51065818 . _:vb51066785 . _:vb51066785 . _:vb51065818 . _:vb51065819 . _:vb51066267 . _:vb51066786 . _:vb51065819 .