Stefanini P,Carboni M,Patrassi N,et al.Beta-islet cell tumors of the pancreas:results of a study on 1 067 cases.Surgery,1974,75:597-609.是什么意思_Stefanini P,Carboni M,Patrassi N,et al.Beta-islet cell tumors of the pancreas:results of a study on 1 067 cases.Surgery,1974,75:597-609.在线翻译_英语_读音_用法_例句