00717nam a22002297i 450000500170000000800410001702200140005804100080007210000140008024501140009465000160020865000280022465000270025265000170027965000200029665000320031665300200034865300170036865500150038570000110040077300760041120141212093639.0960322s1996    sp     gr     000 0 spa c  a1365-3016  aeng1 aOMRAN, M.10aFACTORS LIMITING THE EFFECTIVENESS OF PRENATAL SCREENING FOR ANENCEPHALY AND SPINA BIFIDA IN A HIGH-RISK AREA14aAnencefalia14aDatos epidemiológicos14aDiagnóstico prenatal14aDiscapacidad14aEspina bífida14aMalformaciones congénitas10aAcción social10aDiscapacidad 4aDocumental1 aET AL.0 tPAEDIATRIC AND PERINATAL EPIDEMIOLOGYgVol. 7, no. 4 (1993), p. 461-468