Dokumentuaren aipamena

APA (7th ed.) Zitazioa
Sibbald, B. (2003). Smoking's morbidity toll estimated in US. CMAJ.
Chicago Style (17th ed.) Zitazioa
Sibbald, Barbara. "Smoking's Morbidity Toll Estimated in US." CMAJ 2003.
MLA (9th ed.) Zitazioa
Sibbald, Barbara. "Smoking's Morbidity Toll Estimated in US." CMAJ, 2003.
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