Prevalence of primary adult lactose malabsorption in three populations of northern China

@article{Yongfa1984PrevalenceOP,
  title={Prevalence of primary adult lactose malabsorption in three populations of northern China},
  author={Wang Yongfa and Yan Yongshan and Xu Jiujin and Du Ruofu and Sibylle D. Flatz and Wolfgang Kuehnau and Gebhard Flatz},
  journal={Human Genetics},
  year={1984},
  volume={67},
  pages={103-106}
}
Lactose absorption capacity was examined in 641 apparently healthy adolescents and adults (447 males and 194 females with an average age of 22.9 years and an age range of 16–46 years) using a field version of the lactose tolerance test with breath hydrogen determination. In the total sample, 89 lactose absorbers and 552 lactose malabsorbers were identified. Lactose malabsorption was most frequent in a subgroup of Han (Chinese) from northeastern China (229 of 248 subjects, 92.3%). Among 198… CONTINUE READING
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