Effects of Popular Diets without Specific Calorie Targets on Weight Loss Outcomes: Systematic Review of Findings from Clinical Trials oleh Stephen D. Anton, Azumi Hida, Kacey Heekin, Kristen Sowalsky, Christy Karabetian, Heather Mutchie, Christiaan Leeuwenburgh, Todd M. Manini, Tracey E. Barnett