Diagnostic accuracy of cyst fluid amphiregulin in pancreatic cysts oleh Tun May T, Pai Reetesh K, Kwok Shirley, Dong Aiwen, Gupta Aparna, Visser Brendan C, Norton Jeff A, Poultsides George A, Banerjee Subhas, Van Dam Jacques, Chen Ann M, Friedland Shai, Scott Brennan A, Verma Rahul, Lowe Anson W, Park Walter G