Related Clues:
- M.D. concerned with tonsils
- 'Wikipedia', for ex
- Differ ender
- Three-in-one M.D
- M.D. who may examine the sinuses
- Tonsillitis M.D
- Treebeard for one
- Otolaryngologist, briefly
- Rhinology expert, for short
- Doc for head stuff: abbr
- Otoscope-wielding doc
- Med. specialist
- Suffix with prefer
- Cog attachment?
- Where sinusitis is a subspecialty