00356nas a2200157   4500000000100000000000100001008004100002100001400043700001200057700001200069700001400081245005000095300001300145490000800158022003200166       2006                            d1 aA. Alonso1 aS. Jick1 aH. Jick1 aM. Hernan00aAntibiotic use and risk of multiple sclerosis  a997-10020 v163  a0002-9262 (Print) 0002-9262