Related Clues:

• OR personnel
• Columnists, in a way, in this puzzle's four longest answers
• IV inserters, at times
• H.M.O. figures
• EKG readers
• M.R.I. readers
• ICU pros
• Severinsen and Holliday
• Most university profs
• Medicos, informally
• TLC specialists
• Vitals collectors, for short
• OBs and ENTs
• MD associates
• John and Ruth