Ramírez, N. J. (2007). Parental origin, nondisjunction, and recombination of the extra chromosome 21 in Down syndrome: A study in a sample of the Colombian population. Instituto Nacional de Salud.
Cita Chicago Style (17a ed.)Ramírez, Nelson Javier. Parental Origin, Nondisjunction, and Recombination of the Extra Chromosome 21 in Down Syndrome: A Study in a Sample of the Colombian Population. Instituto Nacional de Salud, 2007.
Cita MLA (9a ed.)Ramírez, Nelson Javier. Parental Origin, Nondisjunction, and Recombination of the Extra Chromosome 21 in Down Syndrome: A Study in a Sample of the Colombian Population. Instituto Nacional de Salud, 2007.
Precaución: Estas citas no son 100% exactas.