00444nas a2200181   4500000000100000008004100001100001400042700001200056700001300068700001600081700001400097700001400111700001300125700001500138245007900153300002300232490000700255       2004                            d1 aWalker N.1 aJull A.1 aJones M.1 aBirchall N.1 aHackett M1 aRodgers A1 aNorton R1 aMacmahon S00aLeg ulceration and perceived health: a population based case-control study  a236-41. [IF 1.910]0 v33