A SELF-HELP treatment for bedwetting, suitable for adults and children, has been produced by the London Enuresis Clinic. The Home Treatment for Bedwetting comes with a mini-alarm. The kit is pounds 135, but refunds are available for anyone less than satisfied. The London Enuresis Clinic, 14 Burlington Lodge Studios, Buer Road, London SW6 4JJ (071-371 8553).