00440nas a2200169   4500000000100000000000100001008004100002100001600043700001400059700001400073700001800087700001300105245010300118300001000221490000700231022003200238       2002                            d1 aD. Margolis1 aW. Bilker1 aJ. Knauss1 aM. Baumgarten1 aB. Strom00aThe incidence and prevalence of pressure ulcers among elderly patients in general medical practice  a321-50 v12  a1047-2797 (Print) 1047-2797