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机译:Multivitamin-multimineral supplements: who uses them?
Department of Family and Preventive Medicine, University of California, San Diego, La Jolla, CA 92093-0901, USA. clrock@ucsd.edu;
Chronic Disease; Dietary Supplements; Minerals; Nutrition Surveys; Vitamins; 慢性病; 营养保健品; 矿物质; 营养调查; 维生素类;