00463nas a2200181   4500000000100000000000100001008004100002100001400043700001500057700001600072700001700088700001200105700001300117245010100130300001100231490000700242022003200249       2008                            d1 aC. Becker1 aG. Brobert1 aP. Almqvist1 aS. Johansson1 aS. Jick1 aC. Meier00aThe risk of newly diagnosed asthma in migraineurs with or without previous triptan prescriptions  a606-100 v48  a0017-8748 (Print) 0017-8748