Noelle M. Selkow, Terry L. Grindstaff, Kevin M. Cross, Kelli Pugh, Jay Hertel, Susan Saliba
J Man Manip Ther. 2009; 17(1): E14–E18.
- PMCID: PMC2704351
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2704351/
I discovered this by way of Leon Chaitow’s website
