Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleLetters to the editor.AuthorsJehn, U.; Clemm, Ch.; Wilmanns, W.; Mihm, Martin C.PublicationCancer (0008543X), 1981, Vol 48, Issue 6, pA25ISSN0008-543XPublication typeArticleDOI10.1002/1097-0142(19810915)48:6<::AID-CNCR2820480638>3.0.CO;2-5