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©The Author(s) 2005. Published by Baishideng Publishing Group Inc. All rights reserved.
World J Gastroenterol. Jul 14, 2005; 11(26): 4078-4084
Published online Jul 14, 2005. doi: 10.3748/wjg.v11.i26.4078
Published online Jul 14, 2005. doi: 10.3748/wjg.v11.i26.4078
Development of a semi-quantitative food frequency questionnaire for middle-aged inhabitants in the Chaoshan area, China
Feng-Yan Song, Ke Li, Ping Yu, Xiao-Ling Deng, Yu-Qi Zhang, Lai-Wen Lv, Department of Preventive Medicine, Shantou Medical University, Shantou 515041, Guangdong Province, China
Takezaki Toshiro, Department of International Island and Community Medicine, Kagoshima University Graduate School of Medical and Dental Sciences, 8-35-1 Sakuragaoka, Kagoshima 890-8544, Japan
Xu-Kai Lin, Shantou Disease Preventive and Control Center, Shantou 515031, Guangdong Province, China
He-Lin Yang, the Board of Health Nan’ao County, Shantou 515000, Guangdong Province, China
Xin-En Huang, Jiangsu Province Cancer Hospital, Nanjing 210009, Jiangsu Province, China
Tajima Kazuo, Division of Epidemiology and Prevention, Aichi Cancer Center Research Institute, Aichi 464-8681, Nagoya, Japan
Author contributions: All authors contributed equally to the work.
Supported by the Science and Technology Project Foundation of Guangdong Province, No. 2003C33706, and Grant-in-Aid for Scientific Research on Priority Areas (C) from the Ministry of Education, Science, Sports, Culture and Technology, Japan
Correspondence to: Dr. Ke Li, Department of Preventive Medicine, Shantou Medical University, Shantou 515041, Guangdong Province, China. kli@stu.edu.cn
Telephone: +86-754-8900445 Fax: +86-754-8557562
Received: July 23, 2004
Revised: January 1, 2005
Accepted: January 5, 2004
Published online: July 14, 2005
Revised: January 1, 2005
Accepted: January 5, 2004
Published online: July 14, 2005
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