Is this piece of research any use ?
http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=9450607&dopt=Abs tract
Sorry, the link doesn't appear to work. Find "Medline" via your search engine.
Medline is a medical database, and has its own search engine.
Try entering "left handed pilots" or other appropiate keywords.