Lull, C. B. Obstericia clínica.
Lua i Stíl Chicago (17ú heag.)Lull, Clifford B.Kimbrough. Obstericia Clínica.
Lua MLA (8ú heag.)Lull, Clifford B.Kimbrough. Obstericia Clínica.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.