New England Journal of Medicine. (2004). The New England Journal of Medicine N° 21. MASSCHUSETTS MédicaL SOCIETY.
Chicago-čujuhus (17. p.)New England Journal of Medicine. The New England Journal of Medicine N° 21. : MASSCHUSETTS MédicaL SOCIETY, 2004.
MLA-čujuhus (9. p.)New England Journal of Medicine. The New England Journal of Medicine N° 21. MASSCHUSETTS MédicaL SOCIETY, 2004.
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