Não informado. (2020). New England Journal of Medicine. Massachusetts Medical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. New England Journal of Medicine. Waltham, Mass: Massachusetts Medical Society, 2020.
Lua MLA (8ú heag.)Não informado. New England Journal of Medicine. Massachusetts Medical Society, 2020.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.