Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleTo the editor.AuthorsManning, George C.PublicationCA: A Cancer Journal for Clinicians, 1978, Vol 28, Issue 3, p192ISSN0007-9235Publication typeArticleDOI10.3322/canjclin.28.3.192-b