title: A case of XYY Down's syndrome confirmed by autoradiography.
mesh_terms: D001345:Autoradiography; D003878:Dermatoglyphics; D004314:Down Syndrome / Q000150:complications*; D006801:Humans; D007223:Infant; D007621:Karyotyping; D008297:Male; D012729:Sex Chromosome Aberrations / Q000150:complications*; D014314:Trisomy