Historical clue formulations

• Lymphocyte-producing organs — 2020-06-29
• Parts of abdomens — 2016-08-05
• Malaria enlarges them — 2013-07-13
• Body organs associated with anger — 2010-10-06
• Angers — 2005-02-04
• Ductless organs — 2003-10-25
• Ill humors — 1997-07-18