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Title
The 'Green Keyhole' revisited: nutritional knowledge may influence food selection.
Authors
Larsson, I; Lissner, L; Wilhelmsen, L
Abstract
The food-marking symbol the 'Green Keyhole' has been in use since 1989 in Sweden, to make it easier for consumers to select low-fat and high-fibre alternatives.
Publication
European journal of clinical nutrition, 1999, Vol 53, Issue 10, p776