New England Journal of Medicine. (2003). The New Journald of Medicine Nº 1. MASSCHUSETTS MédicaL SOCIETY.
Cita Chicago (17th ed.)New England Journal of Medicine. The New Journald of Medicine Nº 1. : MASSCHUSETTS MédicaL SOCIETY, 2003.
Cita MLA (9th ed.)New England Journal of Medicine. The New Journald of Medicine Nº 1. MASSCHUSETTS MédicaL SOCIETY, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.