Historical clue formulations

• Armpit, anatomically — 2023-01-08
• Armpit — 2019-07-06
• Armpit, medically — 2018-02-25
• Armpit, to a doctor — 2017-04-22
• Armpit, anatomically — 2010-06-23
• Armpit — 2009-12-09
• Secret area of anatomy? — 2009-03-14
• Underarm — 2007-08-12
• Armpit, to a doctor — 2007-06-17
• Armpit, anatomically — 2006-08-16
• Armpit — 2004-09-25
• Armpit, anatomically — 2004-04-21
• Armpit — 2001-07-08
• Armpit, anatomically — 1998-04-05
• Armpit — 1997-07-13