00422nas a2200169   4500000000100000000000100001008004100002100001700043700001600060700002100076700001700097700001700114245008500131300001400216490000800230022001400238       2008                            d1 aL. Rodriguez1 aA. Ruigomez1 aE. Martin-Merino1 aS. Johansson1 aM. Wallander00aRelationship between gastroesophageal reflux disease and COPD in UK primary care  a1223-12300 v134  a0012-3692