Adami , H. O., et al. “Serum Levels of Cortisol, Dehydroepiandrosterone, Dehydroepiandrosterone Sulphate, Estrone and Prolactin After Surgical Trauma in Postmenopausal Women”. Upsala Journal of Medical Sciences, vol. 87, no. 3, Sept. 1982, pp. 201-13, doi:10.3109/03009738209178425.