![](https://cos-cdn.shuashuati.com/pipixue-wap/2020-1230-1107-53/ti_inject-812ce.png)
利用PubMed检索“山东大学(Shandong University)外科学硕士导师”以第一作者身份发表的文献,最优的检索策略是()。 A.(zhi xt[Author - First]) AND Shandong University[Affiliation] B.(xt zhi[Author - First]) AND Shandong University[Affiliation] C.(zhi xt[AU]) AND Shandong University[Affiliation] D . (zhi xt[AU]) AND Shandong University[TI]
A.
(zhi xt[Author - First]) AND Shandong University[Affiliation]
B.
(xt zhi[Author - First]) AND Shandong University[Affiliation]
C.
(zhi xt[AU]) AND Shandong University[Affiliation]
D.
D. (zhi xt[AU]) AND Shandong University[TI]