We should like to thank Dr RY Thomson and Mr R. Logan for their assistance in some of
these experiments, Mr AJ Taylor for technical assistance and Dr JA Roper of the Department …

In 15 cases of therapeutic abortion by laparotomy the placenta was disconnected from the
foetus and perfused in situ with tracer amounts of radioactive dehydro epi androsterone …

Abstract In 1927 Aschheim & Zondek discovered a gonadotrophic factor in the urine and
serum of pregnant women. The presence of this hormone was detected by its ability to …

IN THE widely used method of Sayers et at.(1) for the assay of ACTH in rats, using the
adrenal depletion of ascorbic acid as an index of adrenal cortical activation, the material is …

Publisher Summary This chapter reviews the pertinent information on hormone assays in
women in such conditions as the gynecologist and the obstetrician are likely to encounter in …

The principal oestrogens of the human placenta were first isolated by Doisy and his co-
workers (Westerfeld et al., 1938, Huffman et al., 1940). Working with more than 400 kg. full …

Publisher Summary Ten compounds chemically related to estrone have been isolated from
human urine and identified. These are listed in the chapter in approximate order of their …

METHODS Purification of materials Reagents used were AR unless otherwise stated. The
final distillation of solvents was done in all-glass apparatus. Benzene. This was refluxed for …

ABSTRACT A method with a sensitivity of about 2 ng is evolved for the determination of
oestrone and 17β-oestradiol in plasma. The method is based on the double isotopic …

Characteristic physiological and histological changes in the new-born, such as the witches'
milk, the epithelial metaplasia of the prostate (Aschoff, 1894, Schlachta, 1904) as well as the …