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Cardiotocographs at a distance
1989
BMJ (Clinical Research Edition)
Preserved Fulltext
achieved with implants because of the unclear relation between postmenopausal use of oestrogen and risk of breast cancer, which has been reported to depend on dose and duration when conjugated equine oestrogens are given.34 At present, though, there are no data linking oestradiol implants with an increased risk of breast cancer.' Drs J H Tobias and T J Chambers have observed that in vitro supraphysiological oestradiol concentrations increased bone resorption in the rat.6 A cross sectional study
doi:10.1136/bmj.299.6710.1280-a
fatcat:4gsy76by5rgzxhe4jqlvtuhmjy