00410nas a2200145   4500000000100000000000100001008004100002100001700043700001500060700001400075245014300089300001100232490000700243022001400250       2015                            d1 aE. Petherick1 aK. Pickett1 aN. Cullum00aCan different primary care databases produce comparable estimates of burden of disease: results of a study exploring venous leg ulceration  a374-800 v32  a0263-2136