Randomized controlled trials comparing NCS to SCG in prophylactic treatment of exercise-induced bronchoconstriction were eligible.
仅纳入随机对照试验，比较NCS和SCG对运动诱发型支气管收缩的预防性治疗。
Randomized controlled trials comparing NCS to SCG in prophylactic treatment of exercise-induced bronchoconstriction were eligible.
仅纳入随机对照试验，比较NCS和SCG对运动诱发型支气管收缩的预防性治疗。
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