Markhus , M. W., Graff , I. E., Dahl , L., Seldal , C. F., Skotheim , S., Braarud , H. C., Stormark , K. M. and Malde , M. K. (2013) “Establishment of a seafood index to assess the seafood consumption in pregnant women”, Food & Nutrition Research, 00. doi: 10.3402/fnr.v57i0.19272.