A (n=70) B (n=28) AB (n=21) 0 (n=52) Blood group Gall stone cholesterol content by ABO phenotype in 171 patients with symptomatic gall stone disease.Data points, medians, and interquartile ranges are shown (p=002 for difference between groups (Kruskal- Wallis test))
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Bergman et al. (1992) studied this question.
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