| Instituto Nacional de Perinatología Isidro Espinosa de los Reyes | 1,997 visitas |
| Association between selected structural defects and chromosomal abnormalities | 1,141 visitas |
| Amniotic band sequence: | 1,134 visitas |
| Major craniofacial defects: | 897 visitas |
| Instituto Nacional de Perinatología and the millennium development goals | 725 visitas |