AU - Zhang SM, Cook NR, Albert CM, Gaziano J, Buring JE, Manson JE TI - Effect of combined folic acid, vitamin b6, and vitamin b12 on cancer risk in women: A randomized trial PT - JOUR DP - 2008 TA - JAMA pages = {2012-2021}, VI - 300 IP - 17 AID - 10.1001/jama.2008.555 [doi] 4100 - http://dx.doi.org/10.1001/jama.2008.555 SO - JAMA November 5, 2008 300(17):2012