Assertion: selective beta blocker | /r/CapableOf | affect 2 -receptors
Facets:
value: in the lungs
type: LOCATION
Source sentences:
text: Although nonselective beta-blockers can exacerbate respiratory symptoms because they affect beta 2 -receptors in the lungs, the newer cardioselective beta-blockers affect primarily beta 1 -receptors in the heart.