Historical clue formulations

• Pair of pants? — 2022-07-09
• Pulmonologist's expertise — 2019-12-08
• Air space? — 2015-01-30
• Breathers — 2014-01-31
• Pair in a cage — 2013-01-12
• Bronchi termini — 2004-12-26
• Screamer's necessity — 1997-04-16