@Article{ LARDELLI_LUNA_JIMÉNEZ:162-164,

author = { PABLO IGNACIO LARDELLI CLARET and JUAN DE DIOS LUNA DEL CASTILLO and JOSÉ JUAN JIMÉNEZ MOLEON } ,

title = { POSITION ON THE MOPED, RISK OF HEAD INJURY AND HELMET USE: AN EXAMPLE OF CONFOUNDING EFFECT },

journal = { INTERNATIONAL JOURNAL OF EPIDEMIOLOGY },

year = { 2003 },

volume = { 32 },

issn = { 0300-5771 },

pages = { 162-164 },

}