Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleValuable libraries.AuthorsDAVIES, KAYE.; GUSELLA, JAMESF.; TSUI, LAP-CHEE; WILLIAMSON, R.; PAGE, DAVIDC.; FERGUSON-SMITH, M. A.PublicationNature, 1987, Vol 326, Issue 6109, p124ISSN0028-0836Publication typeArticleDOI10.1038/326124e0