Key points are not available for this paper at this time.
Guttorm Toverud, The Influence of War and Postwar Conditions on the Teeth of Norwegian School Children. III. Discussion of Food Supply and Dental Condition in Norway and Other European Countries, The Milbank Memorial Fund Quarterly, Vol. 35, No. 4 (Oct., 1957), pp. 373-459
Guttorm Toverud (Tue,) studied this question.