The H. pylori seropositivity rate of GI referral children with symptoms of abdominal pain was significantly higher. H. pylori infection in early childhood was found to be associated primarily with the child's household size and socioeconomic status.

all of the Psychoneurological Institute, Warsaw. I am very grateful for all the help and kindness they showed me. References Moskalewicz J. Preliminary inventory of data-Poland. Warsaw: Psychoneurological Institute, 1980. 2 Kendell RE. Alcoholism: a medical or a political problem? Br Med J 1979 ;ii :367-71. 3 Special Committee of the Royal College of Psychiatrists. Alcohol and alcoholism. London: Tavistock Publications, 1979. Moser J. Prevention of alcohol-related problems: an international review of preventive measures, policies, and programmes. Toronto: Alcoholism and Drug Addiction Research Foundation, 1980.

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