Department of Radiology;
Sun Yat-Sen Memorial Hospital;
Sun Yat-Sen University;
Guangzhou 510120;
Guangdong Province;
China;
Department of MR Scientific Marketing;
Siemens Healthineers;
Guangzhou 510120;
Guangdong Province;
China;
Magnetic resonance spectroscopy; Cholelithiasis; Liver fat accumulation; Steatosis; Iron;