Katz, Joel2011-05-182011-05-181993Pain, 53(3), 243-245. (1993)http://hdl.handle.net/10315/7930enGeorge Washington Crile, anoci-association, and pre-emptive analgesiaArticlehttp://www.elsevier.com/wps/find/journaldescription.cws_home/506083/description#descriptionhttp://www.elsevier.comhttp://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6T0K-47XGCKJ-R-1&_cdi=4865&_user=866177&_pii=030439599390219F&_origin=browse&_coverDate=06%2F30%2F1993&_sk=999469996&view=c&wchp=dGLbVtb-zSkWb&md5=ad2f89ae9f1a54d06de5f30f26a672da&ie=/sdarticle.pdf