| Instituto Nacional de Perinatología Isidro Espinosa de los Reyes | 2,028 visitas |
| Association between selected structural defects and chromosomal abnormalities | 1,164 visitas |
| Amniotic band sequence: | 1,160 visitas |
| Major craniofacial defects: | 920 visitas |
| Instituto Nacional de Perinatología and the millennium development goals | 758 visitas |