Display rubrics sorted by their uniqueness and distinctiveness.

Rubrics of a drug which are unique to it, shared with no other drug, are displayed at the top. This is followed by those rubrics it shares with 2, then 3, or more drugs. Within the unique sorted list, keynote (underlined) rubrics for the drug searched are displayed at the top, then grade 3, followed by grade 2, and lastly grade 1. See the video below to know more.