Hamilton D V, Mundia S S, Lister J
Br Med J. 1976 Jul 24;2(6029):211-2. doi: 10.1136/bmj.2.6029.211.
In a study of 66 children with juvenile diabetes symptoms had often present for over a month before diagnosis. Though polyuria, polydipsia, and weight loss were the commonest features, other important symptoms included tiredness lethargy, and malaise. A gradual onset of diabetes was commoner than is generally realised.