AU - Lautenschlager NT, Xiao J, Almeida OP TI - PHysical activity and cognitive function in alzheimer disease—reply PT - JOUR DP - 2009 TA - JAMA pages = {272-274}, VI - 301 IP - 3 AID - 10.1001/jama.2008.1012 [doi] 4100 - http://dx.doi.org/10.1001/jama.2008.1012 SO - JAMA January 21, 2009 301(3):272