A survey of 37 communities supplied by stream water and receiving iodised salt for the last 10-20 years indicates that the presence of sedimentary rocks in the watersheds of streams more closely correlates with goiter prevalence than 12 other possible causative variables. These results support the hypothesis that sedimentary rocks rich in organic matter are the main source of water-borne goitrogens.

Annals of the New York Academy of SciencesVolume 221, Issue 1 p. 76-85 FOLLOW-UP OBSERVATIONS OF WORKERS EXPOSED TO ENZYME DETERGENTS Hans Weill, Hans Weill Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this authorCarmel Waggenspack, Carmel Waggenspack Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this authorTimothy DeRouen, Timothy DeRouen Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this authorMorton Ziskind, Morton Ziskind Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this author Hans Weill, Hans Weill Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this authorCarmel Waggenspack, Carmel Waggenspack Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this authorTimothy DeRouen, Timothy DeRouen Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this authorMorton Ziskind, Morton Ziskind Tulane University School of Medicine New Orleans, Louisiana 70112Search for more papers by this author First published: February 1974 https://doi.org/10.1111/j.1749-6632.1974.tb28201.xCitations: 10AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Share a linkShare onFacebookTwitterLinked InRedditWechat Citing Literature Volume221, Issue1Pulmonary Reactions to Organic MaterialsFebruary 1974Pages 76-85 RelatedInformation