We're not sure what the Missouri Hospital Association (MHA) is trying to achieve with its multimedia smear campaign against so-called limited-service providers - such unsavory outfits as physician-owned ASCs and imaging centers - but somebody please let these fine folks know they can stop throwing good money after bad on direct mail, telephone calls and writeOutLink("myhealthcarematters.org",1) to broadcast their needlepoint nag: "What you don't know can hurt you."