History: Tryptophan Edit Classic editor History Back to page | View logs for this page Browse history From year (and earlier): From month (and earlier): all January February March April May June July August September October November December Deleted only For any version listed below, click on its date to view it. For more help, see Help:Page history. (cur) = difference from current version, (prev) = difference from preceding version, m = minor edit, → = section edit, ← = automatic edit summary (cur | prev) 08:15, January 13, 2008 Dr Joe Kiff (Talk | contribs) . . (32,687 bytes) (+17,959) . . (undo) (cur | prev) 06:25, June 14, 2007 Dr Joe Kiff (Talk | contribs) . . (14,728 bytes) (+5,153) . . (→Dietary sources) (undo) (cur | prev) 10:40, March 3, 2006 Lifeartist (Talk | contribs) . . (9,575 bytes) (+9,575) . . Retrieved from "http://psychology.wikia.com/wiki/Tryptophan"