title: Food frequency questionnaire is an effective method for measuring micronutrient intake.
authors.affiliation: Department of Orthopaedics, Xiangya Hospital, Central South University, #87 Xiangya Road, Changsha, Hunan Province 410008, China. Electronic address: zengchao19880505@sina.com.
authors.forename: C
authors.initials: C
authors.lastname: Zeng
authors.affiliation: Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan Province 410008, China.
authors.forename: J
authors.initials: J
authors.lastname: Wei
authors.affiliation: Department of Orthopaedics, Xiangya Hospital, Central South University, #87 Xiangya Road, Changsha, Hunan Province 410008, China. Electronic address: 125562108@qq.com.
authors.forename: G-h
authors.initials: GH
authors.lastname: Lei
mesh_terms: D001205:Ascorbic Acid / Q000097:blood*; D005260:Female; D006801:Humans; D008297:Male; D020370:Osteoarthritis, Knee / Q000097:blood*; D014810:Vitamin E / Q000097:blood*
chemical_list: D014810:Vitamin E; D001205:Ascorbic Acid
keywords: Food frequency questionnaire; Intake; Osteoarthritis