Medline光盘数据库的内容涵盖三种重要的纸本医学文献检索工具,它们是()。 ·BA、IM、EM ·BA、EM、International Nursing Index ·BA、Index to Dental Literature、International Nursing Index ·IM、Index to Dental Literature、International Nursing Index
答案是:单选题 ·IM、Index to Dental Literature、International Nursing Index