Journal of Parenteral and Enteral NutritionVolume 4, Issue 5 p. 520-530 Journal Article Citations from World Literature First published: 01 September 1980 https://doi.org/10.1177/014860718000400519AboutPDF 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 onFacebookTwitterLinkedInRedditWechat Volume4, Issue5September 1980Pages 520-530 RelatedInformation