AU - Gardner CD, Kiazand A, Alhassan S, et al TI - Comparison of the atkins, zone, ornish, and learn diets for change in weight and related risk factors among overweight premenopausal women: The a to z weight loss study: a randomized trial PT - JOUR DP - 2007 TA - JAMA pages = {969-977}, VI - 297 IP - 9 AID - 10.1001/jama.297.9.969 [doi] 4100 - http://dx.doi.org/10.1001/jama.297.9.969 SO - JAMA March 7, 2007 297(9):969