Não informado. (1976). Regional Anesthesia. American Society of Regional Anesthesia.
Lua i Stíl Chicago (17ú heag.)Não informado. Regional Anesthesia. Philadelphia, Pa: American Society of Regional Anesthesia, 1976.
Lua MLA (8ú heag.)Não informado. Regional Anesthesia. American Society of Regional Anesthesia, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.