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Lua i Stíl Chicago (17ú heag.)Bourliere, Francois. The Assessment of Biological Age in Man. Geneva: World Health Organization, 1970.
Lua MLA (9ú heag.)Bourliere, Francois. The Assessment of Biological Age in Man. World Health Organization, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.