Another example is that of researchers at GlaxoSmithKline who recently described a novel class of antibacterial agents that target type IIA topoisomerases.

另一个例证是，葛兰素史克公司的研究人员最近描述了一种以iia型拓扑异构酶为作用目标的新的抗菌剂。

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Rate responsive pacing is given a Class IIa indication in those with documented chronotropic incompetence.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines

Single lead VDD pacing in those with intact sinus node function (i.e. a young patient with congenital AV block) gets a class IIa indication.

FORBES: Overview of the New HRS/ACCF Pacemaker Guidelines