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Lua i Stíl Chicago (17ú heag.)Maugh, Thomas H. II. "Smoking Can Accelerate Irreversible Hardening of Arteries, Says Study." Today 1998.
Lua MLA (9ú heag.)Maugh, Thomas H. II. "Smoking Can Accelerate Irreversible Hardening of Arteries, Says Study." Today, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.