ANTIGEN
Set to 6 different clues across 6 published puzzles, most often “A or B in blood typing, e.g.” — The New York Times, Friday, 30 July 2004.
7 letters
Every clue on record, most used first
- A or B in blood typing, e.g.once
The New York Times — Friday, 30 July 2004
- Immunologist's concernonce
The New York Times — Friday, 6 June 2003
- Immunity triggeronce
The New York Times — Saturday, 26 April 2003
- Immune response stimulusonce
The New York Times — Saturday, 23 September 2000
- Cause of an immune responseonce
The New York Times — Sunday, 1 August 1999
- Body toxinonce
The New York Times — Saturday, 25 March 1995