We found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFour new cases of ring 21 and 22 including familial transmission of ring 21.AuthorsPalmer, C G; Hodes, M E; Reed, T; Kojetin, JPublicationJournal of Medical Genetics, 1977, Vol 14, Issue 1, p54ISSN1468-6244Publication typearticleDOI10.1136/jmg.14.1.54