Can't tell what the kids are allergic to in this journal article:
Demographics of Enuresis Patients Attending a Referral Centre.
Source: Rawashdeh, Yazan F.; Scandinavian Journal of Urology &
Nephrology, 2002, vol. 36, issue 5, p 348, ISSN 00365599.
And reference cited within above:
Siegel S, Rawitt L, Sokoloff B, Siegel B. Relationship of
allergy, enuresis, and urinary infection in children 4 to 7
years of age. Pediatrics 1976; 57: 526-8.