Links for Lean and Six Sigma
Lean Six Sigma thinking in healthcare is a hot topic. There are many resources available through books and online sources. A few of these are listed below.
For Materials, Workshops and Other Resources

http://www.lean.org
For Lean Certification

Google: University of Michigan, Lean Manufacturing
For Six Sigma Resources

http://www.isixsigma.com/
For Six Sigma Black Belt Certification

http://cpd.asu.edu/certmgt/?page=online_cert_blackbelt

http://www.6sigma.us/six-sigma-training.php

This company has excellent and relevant articles on all aspects of Lean Six Sigma for most industries.
http://www.sixsigmaiq.com/
For Laboratory Technical Six Sigma Solutions

http://www.westgard.com
For Clinical Laboratory Standards

http://www.CLSI.org
For Quality in Laboratory Medicine

http://www.iqlm.org