患者，男，18岁，确诊为金黄色葡萄球菌引起的急性骨髓炎，最佳选药应是
A. 红霉素
B. 庆大霉素
C. 青霉素G
D. 四环素
E. 林可霉素
查看答案
对林可霉素、克林霉素描述错误的是
A. 两药对革兰阴性菌都无效
B. 林可霉素与红霉素合用呈拮抗作用
C. 林可霉素口服吸收较克林霉素好
D. 治疗厌氧菌无效
E. 林可霉素抗菌作用强于克林霉素
What are some euphemisms and terms for old people?
What symptoms do those old people with declining physical abilities have?
Why does the author say that the boundary between middle age and old age cannot be defined exactly?
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