Relative validity and reproducibility of a food frequency questionnaire used in pregnant women from a rural area of China

Li, Min ; Halldorsson, Thorhallur I. ; Bjerregaard, Anne A. ; Che, Yan ; Mao, Yanyan ; Hu, Wenfu ; Wang, Yu ; Zhou, Weijin ; Olsen, Sjúrdur F. ; Strøm, Marin

Acta obstetricia et gynecologica Scandinavica, 2014-11, Vol.93 (11), p.1141-1149 [Periódico revisado por pares]

United States: Blackwell Publishing Ltd

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