Related Clues:

• Patient observers: Abbr.
• Dolittle and others: abbr.
• ENTs, e.g.
• MDs
• Who and Watson
• 46 Across members
• PPO staffers
• 'M*A*S*H' staffers: Abbr.
• O.R. figures
• J and others
• Casey and Kildare: Abbr.
• Test requesters: Abbr.
• No and Who, for two
• ER people
• Operations mgrs.