Metaxotou C, Kalpini-Mavrou A
Hum Genet. 1977 Jul 26;37(3):351-4. doi: 10.1007/BF00393619.
Cytogenetic investigation of a 4-year-old boy with ambiguous external genitalia revealed a 46,XY,r(9)(p2q3) complement. The patient displayed some phenotypic characteristics common to other reported r(9) cases, in addition to ambiguous external genitalia.