Renal DialysisHemodialysis Units, HospitalCapital ExpendituresDithioerythritolKidney Failure, ChronicPeritoneal DialysisDialysisDialysis SolutionsPeritoneal Dialysis, Continuous AmbulatoryEconomic CompetitionHealth Care SectorPeritonitisPeritoneumCommerceMarketingMarketing of Health ServicesCatheters, IndwellingHemodialysis SolutionsInvestmentsUltrafiltration