Upper airway collapsibility in anesthetized children .
麻醉儿童的上呼吸道塌陷。
An experiment to contrast different functions of collapsibility agents .
溃散剂的性能对比试验。
Created by british designer mark sanders in the early 1980s , the strida went into production in 1987 , changing the classic bicycle shape to accommodate easy collapsibility .
