P3‐615: EFFECTS OF SOY ISOFLAVONES ON COGNITIVE FUNCTION: A SYSTEMATIC REVIEW AND META‐ANALYSIS OF RANDOMIZED CONTROLLED TRIALS. (1st July 2006) - Cui, Chendi; Birru, Rahel; Snitz, Beth E.; Ihara, Masafumi; Lopresti, Brian J.; Aizenstein, Howard J.; Lopez, Oscar L.; Mathis, Chester; Miyamoto, Yoshihiro; Kuller, Lewis H.; Sekikawa, Akira