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3. Medical center devises plastic card system to identify and bill outpatients. Cost Containment; 1980 Jan; 2(1):1-2. PubMed ID: 10244860 [No Abstract] [Full Text] [Related]
4. Experiments offer access to credit without a card. Burke M Med Claims Manag; 1993; 1(3):45-6, 48-9. PubMed ID: 10143632 [No Abstract] [Full Text] [Related]
5. Credit cards don't generate much interest. Dine DD Mod Healthc; 1988 Aug; 18(34):38. PubMed ID: 10288745 [No Abstract] [Full Text] [Related]