Garland Cedric F, Grant William B, Mohr Sharif B, Gorham Edward D, Garland Frank C
Department of Family and Preventive Medicine, School of Medicine, University of California-San Diego, 9500 Gilman Dr., La Jolla, CA 92093, USA.
Nutr Rev. 2007 Aug;65(8 Pt 2):S91-5. doi: 10.1111/j.1753-4887.2007.tb00349.x.