AU - Machanic BI TI - HIgh-dose b vitamin supplements and alzheimer disease PT - JOUR DP - 2009 TA - JAMA pages = {1020-1022}, VI - 301 IP - 10 AID - 10.1001/jama.2009.212 [doi] 4100 - http://dx.doi.org/10.1001/jama.2009.212 SO - JAMA March 11, 2009 301(10):1020