1. Time trends in neural tube defects prevalence in relation to preventive strategies: an international study. Issue 10 (1st October 1999) Authors: Rosano, A; Smithells, D; Cacciani, L; Botting, B; Castilla, E; Cornel, M; Erickson, D; Goujard, J; Irgens, L; Merlob, P; Robert, E; Siffel, C; Stoll, C; Sumiyoshi, Y Journal: Journal of epidemiology and community health Issue: Volume 53:Issue 10(1999) Page Start: 630 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗