21.  Team officials later admitted to the systematic use of the banned substances among its riders.

22.  Team officials later revealed to investigators what they said was systematic use of banned drugs within the team.

23.  Tour organizers threw the Spanish Festina team out of the race after team officials admitted to the systematic use of banned drugs.

24.  The pressures of politically and linguistically correct Maoism in China and the systematic use of the Cyrillic script in the Soviet Union smothered Chagatai.