00434nas a2200181   4500000000100000000000100001008004100002100001300043700001600056700001300072700001400085700001600099700001600115245007200131300001000203490000700213022003200220       2002                            d1 aG. Davey1 aP. Sedgwick1 aW. Maier1 aG. Visick1 aD. Strachan1 aH. Anderson00aAssociation between migraine and asthma: matched case-control study  a723-70 v52  a0960-1643 (Print) 0960-1643