An author has a very specific duration of time to add their name as a creditor if there are outstanding royalties. (goodereader.com)
Sixteen percent felt there should be no specific duration of time before a young athlete returns to play after a concussion (Figure 1). (mottpoll.org)
It requires the player to only keep enemies within their field of view for a specific duration of time, less time for AI enemies and more time for opposing pilots who can then be killed in one shot. (dagersystem.com)