title: Niche players: your next challenge.
authors: K
authors: K
authors: Berry
mesh_terms: D006328:Cardiac Catheterization; D004465:Economic Competition; D006752:Hospital Planning / Q000639:trends*; D007182:Income; D009935:Organizational Affiliation; D010934:Planning Techniques; D017149:Private Sector; D011357:Product Line Management; D014481:United States