Related Clues:

• Otolaryngologists, e.g.: Abbr
• OR personnel
• Columnists, in a way, in this puzzle's four longest answers
• H.M.O. figures
• EKG readers
• M.R.I. readers
• Most university profs
• OBs and ENTs
• John and Ruth
• E.R. V.I.P.s
• Some med. personnel in Robin Cook novels
• MASH staffers (Abbr.)
• OB/GYNs, e.g
• They hold MD degrees
• E.R. staffers