A.Title
B.Find articles with these terms
C.Title, abstract or author-specified keywords
D.In this journal or book title
A.综合性强,涵盖了广泛的学科和文献类型
B.可以检索世界各国图书馆的馆藏信息
C.可以检索到一部分全文
D.可以免费检索和查看原文
A.breastcancer[ti]ANDsurgery[ti]publisdinthelast5years
B.BreastNeoplasms/surgery[Mesh]publisdinthelast5years
C.BreastNeoplasms[Mesh]publisdinthelast5years
D.breastcancersurgery[ti]publisdinthelast5years
A.字段限定为“题名”,检索词为“李欣”
B.字段限定为“关键词”,检索词为“李欣”
C.字段限定为“学位-导师”,检索词为“李欣”
D.字段限定为“创作者”,检索词为“李欣”