We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleRNA-DNA hybrids at the cytological level.AuthorsJohn, H A; Birnstiel, M L; Jones, K WPublicationNature, 1969, Vol 223, Issue 5206, p582ISSN0028-0836Publication typeJournal ArticleDOI10.1038/223582a0