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Lua i Stíl Chicago (17ú heag.)Maugh, Thomas H. II. "Aspirin, Warfarin Reduce First Heart Attack Rate - Study." Today 1998.
Lua MLA (9ú heag.)Maugh, Thomas H. II. "Aspirin, Warfarin Reduce First Heart Attack Rate - Study." Today, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.