Related Clues:

• In readiness
• One way to serve beer
• Available from a keg
• Ready in the keg
• Pub sign
• Not bottled
• Slated
• Not in bottles, as beer
• Like some 42-Across
• Not quite up yet
• Ready to be poured
• Ready to draw into a stein
• Ready for an emergency
• Like many doctors
• Available to work