APA
Ramírez N. J., Belalcázar H. M., Yunis J. J., Quintero L. N., Arboleda G. H. & Arboleda H. (20071026). Parental origin, nondisjunction, and recombination of the extra chromosome 21 in Down syndrome: a study in a sample of the Colombian population. : Biomedica : revista del Instituto Nacional de Salud.
Chicago
Ramírez Nelson Javier, Belalcázar Helen Marcela, Yunis Juan José, Quintero Luis Napoleón, Arboleda Gonzalo Humberto and Arboleda Humberto. 20071026. Parental origin, nondisjunction, and recombination of the extra chromosome 21 in Down syndrome: a study in a sample of the Colombian population. : Biomedica : revista del Instituto Nacional de Salud.
Harvard
Ramírez N. J., Belalcázar H. M., Yunis J. J., Quintero L. N., Arboleda G. H. and Arboleda H. (20071026). Parental origin, nondisjunction, and recombination of the extra chromosome 21 in Down syndrome: a study in a sample of the Colombian population. : Biomedica : revista del Instituto Nacional de Salud.
MLA
Ramírez Nelson Javier, Belalcázar Helen Marcela, Yunis Juan José, Quintero Luis Napoleón, Arboleda Gonzalo Humberto and Arboleda Humberto. Parental origin, nondisjunction, and recombination of the extra chromosome 21 in Down syndrome: a study in a sample of the Colombian population. : Biomedica : revista del Instituto Nacional de Salud. 20071026.