Merrill RM, Kelley TA, Cox E, Layman AB, Layton BJ, Lindsay R. Factors and barriers influencing influenza vaccination among students at Brigham Young University. Med Sci Monit. 2010 Feb;16(2):PH29-34.
Wagner JD, Anthony MS, Cline JM. Soy phytoestrogens: research on benefits and risks. Clin Obstet Gynecol. 2001 Dec;44(4):843-52.