@article{ref1,
title="Change in attitude to bicycle helmets after serious accidents",
journal="Anales de Pediatria",
year="2004",
author="Rodriguez Nunez, A. and Martinon Torres, F. and Otero Ferreiro, M. J. and Berdullas Rodriguez, M. I. and Martinez Perez, L. and Saavedra Chaves, E. and Granero Asencio, M. and Cabanas Rodriguez, P. and Fernandez Sanmartin, M.",
volume="60",
number="2",
pages="189-190",
abstract="Abstract unavailable.",
language="",
issn="1695-4033",
doi="",
url="http://dx.doi.org/"
}