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Original Contributions Cancer Incidence and Mortality After Treatment With Folic Acid and Vitamin B12
Marta Ebbing; Kaare Harald Bønaa; Ottar Nygård; Egil Arnesen; Per Magne Ueland; Jan Erik Nordrehaug; Knut Rasmussen; Inger Njølstad; Helga Refsum; Dennis W. Nilsen; Aage Tverdal; Klaus Meyer; Stein Emil Vollset
JAMA 2009; 302: 2119-2126.
[Abstract][Full text][PDF][ eTables and eFigure ]
Editorials Assessing Cancer Prevention Studies—A Matter of Time