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Background
Little is known about the prevalence of food allergy (FA) in China. The aim of this study was to investigate the disparity of FA between urban and rural areas in southern China.
Methods
EuroPrevall questionnaire responses were obtained from 5542 school‐age children in urban Guangzhou and 5319 in rural Shaoguan. A case‐control study enrolled 190 children with adverse reactions (ARs) after...
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