引用本文: | Martínez de Villarreal L,Pérez JZ,Vázquez PA,Herrera RH,Campos Mdel R,López RA,Ramírez JL,Sánchez JM,Villarreal JJ,Garza MT,Limón A,López AG,Bárcenas M,García JR,Domínguez AS,Nu?ez RH,Ayala JL,Martínez JG,González MT,Alvarez CG,Castro RN.Decline of neural tube defects cases after a folic acid campaign in Nuevo León,México[J].Teratology,2002,66(5):249-256. |