Evelyn Jain is the MD from Canada who did the video on frenotomy.
Alison Hazelbaker did her masters' thesis on the subject which she sells, and which has tons of great references.
Two different people, two excellent teaching tools.
Linda J. Smith, BSE, FACCE, IBCLC
Dayton Ohio USA
Bright Future Lactation Resource Centre
http://www.bflrc.com