Assay reproducibility of hormone measurements in postmenopausal women.

  title={Assay reproducibility of hormone measurements in postmenopausal women.},
  author={Roni T Falk and Joanne F. Dorgan and Lisa L. Kahle and Nancy Potischman and Christopher Longcope},
  journal={Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology},
  volume={6 6},
As part of a breast cancer case-control study of serum hormones conducted in Columbia, MO, we included several replicate quality control samples to monitor the consistency of laboratory assays. Sera were obtained from three postmenopausal women; from each woman, three samples were placed randomly in each of nine batches with the laboratory unaware of which sample corresponded to whom. Laboratory assays for estrone (E1), estradiol (E2), testosterone, androstenedione (Adione), E1SO4… CONTINUE READING


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