A.有家族過敏史 B.咳嗽持續(xù)>4周 C.常伴有發(fā)熱 D.運動后咳嗽加重 E.用支氣管擴張劑可使咳嗽緩解
A.≤12% B.≤10% C.10%~12% D.≥12% E.≥10%
A.50% B.65% C.70% D.75% E.80%