Historical clue formulations

• Military hospitals, briefly — 2021-06-27
• Some military hospitals, for short — 2017-11-28
• Biological duct — 2017-03-11
• Anatomical tube — 2015-08-28
• Anatomical tube — 2015-07-07
• ___ deferens — 2014-02-09
• ___ deferens — 2013-02-26
• Anatomical duct — 2010-01-13
• ___ in victory — 2008-10-02
• Biological duct — 2003-04-27
• Anatomical duct — 2003-02-09
• Anatomical duct — 1998-09-18
• Anatomical duct — 1996-08-28
• Duct — 1995-07-05
• _____ deferens — 1995-01-16
• Zoological duct — 1994-10-09