Large-cap healthcare stocks tend to grab all of the headlines, but there are scores of great small-cap companies out there that hold big upside potential. On this week's edition of Industry Focus: Healthcare, host Kristine Harjes talks with Fool.com contributor Brian Feroldi about three little-known companies that are growing quickly and show no signs of slowing down: LaMaitre Vascular (NASDAQ:LMAT),HealthEquity (NASDAQ:HQY), and Novocure (NASDAQ:NVCR).