Historical clue formulations

• Likely cause of a cranky toddler's ear-tugging — 2021-12-22
• Ear trouble — 2016-08-08
• Possible cause of vertigo — 2015-12-12
• Ear inflammation — 2009-05-20
• Common childhood malady — 2006-03-04
• Ear inflammation — 2005-11-13
• Ear malady — 2004-10-17
• A bug in one's ear? — 2002-09-29
• Common childhood ailment — 1998-01-16
• Ear malady — 1995-05-18