【单选题】关于不同年龄组WBC生理变化的叙述错误的是
D.
细胞大致相等 D.婴儿期淋巴细胞较高 D.4~5岁的儿童,淋巴细胞少于中性粒细胞
【单选题】A design in which a single group of subjects is exposed to a treatment (X), and then a single measurement on the dependent variable is taken (O1、is called a(n、________.
B.
multiple time series design
C.
posttest-only control group design
E.
alternative group design
【单选题】新生儿出后立即快速评估4项指标,如4项中有1项为“否”,则进行初步复苏。初步复苏不包括下列哪项