A comment on the paper: Recurrence of Down Syndrome Associated with Microchromosome by C. Ramos, L. Rivera, J. Benitez, E. Tejedor, and A. Sanchez-Cascos.
D002869:Chromosome Aberrations; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D007621:Karyotyping; D008540:Meiosis