Secondary endpoints, including forced expiratory volume in 1 s, peak expiratory flow, use of as-needed medication, and number of nights with awakenings were similar between genotype groups.

次要终点指标包括1秒呼出气量，峰流速，急救用药次数，夜间觉醒次数各基因型组之间均无显著差异。

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Avalanches during the spring aren't rare, he said, noting that there's a secondary peak of landslides during this time because the Northwest still sees heavy storms, which can include snow.

NPR: Wash. Searchers Wait To Seek Avalanche Victim

But what has now become evident is that there is not enough of a demand to drive the secondary ticket market to anywhere near its recent peak.

FORBES: Submergence Of The Super Bowl Ticket Market

Rentals are now 20% to 30% below the 2008 peak and are unlikely to recover soon, especially in secondary markets.

WSJ: U.K. Retail Rents Drop as Stores Close