for those w/ a broader toxicol. interest than endocrine disruption, alex s. told me about: ToxList: LISTSERV@ESC.SYRRES.COM EcoToxicology-L: LISTSERV@LISTSERV.VT.EDU send the message "subscribe <listname> <your given name>" to either or both addresses. Tony Tweedale Causality is a concept not subject to empirical demonstration. -David Hume (1711-'76)