Two patients with a 46,XX,Er chromosome constitution.
D000015:Abnormalities, Multiple / Q000235:genetics*; D000328:Adult; D002648:Child; D002869:Chromosome Aberrations; D002902:Chromosomes, Human, 16-18; D003582:Cytogenetics; D003878:Dermatoglyphics; D005260:Female; D006801:Humans; D007621:Karyotyping