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Lua i Stíl Chicago (17ú heag.)Dorland, W. A. Newman. A Manual of Obstetrics. Philadelphia: Saunders, 1896.
Lua MLA (8ú heag.)Dorland, W. A. Newman. A Manual of Obstetrics. Saunders, 1896.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.