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Int J Epidemiol. 1993 Apr;22(2):268-72. doi: 10.1093/ije/22.2.268.
Risk indicators for inflammatory bowel disease.
Persson PG, Leijonmarck CE, Bernell O, Hellers G, Ahlbom A
Research Library references a growing number of academic resources related to restorative reproductive medicine.
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