RT Journal Article SR Electronic T1 46,XX/46,XX,r(15) mosaiciam: report of a case. JF Journal of Medical Genetics JO J Med Genet FD BMJ Publishing Group Ltd SP 63 OP 65 DO 10.1136/jmg.14.1.63 VO 14 IS 1 A1 Pfeiffer, R A A1 Dhadial, R A1 Lenz, W YR 1977 UL http://jmg.bmj.com/content/14/1/63.abstract AB Mosaicism of cells with a normal karyotype or with a ring chromosome no. 15 was found in a girl with hypoplasia of the thumbs, club feet, mental retardation, and short stature, which seems to be a feature of this chromosomal aberration.