New England Journal of Medicine. (2003). The New Journald of Medicine Nº 12. MASSCHUSETTS MédicaL SOCIETY.
Chicago-čujuhus (17. p.)New England Journal of Medicine. The New Journald of Medicine Nº 12. : MASSCHUSETTS MédicaL SOCIETY, 2003.
MLA-čujuhus (9. p.)New England Journal of Medicine. The New Journald of Medicine Nº 12. MASSCHUSETTS MédicaL SOCIETY, 2003.
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