Comparison of a web-based food record tool and a food-frequency questionnaire and objective validation using the doubly labelled water technique in a Swedish middle-aged population

Nybacka, S.; Bertéus Forslund, Héne.; Wirfält, E.; Larsson, I.; Ericson, U.; Warensjö Lemming, E.; Bergström, Göran.; Hedblad, B.; Winkvist, A.; Lindroos, A.Karin.

Journal of Nutritional Science 5: E39

2016

https://eurekamag.com/research/057/466/057466193.php