Garcia-Esteban R, Sunyer J, Torrent M, Ribas-Fito N, Carrizo D, Grimalt JO, Anto JM. Early exposure to DDE and asthma. Poster presented at the International Conference on Environmental Epidemiology & Exposure (ISEE/ISEA); November 2006. Paris, France. [abstract] Epidemiology. 2006 Nov; 17(6):S281-2.
Garcia R, Benet M, Arnau C, Cobo E. Efficiency of cross-over relative to paralled group design. Poster presented at the 3rd Joint Meeting of the International Society for Clinical Biostatistics (ISCB) and Society for Clinical Trials (SCT); 2003. London, United Kingdom.