Abstract Plasma cortisol, 17-hydroxyprogesterone (17-OH-P), testosterone (T), 5α-
dihydrotestosterone (DHT, estrone (E 1) and estradiol (E 2), were measured in 94 normal …

Radioimmunoassays for the measurement of pregnenolone1), 17α-hydroxy-progesterone,
androstenedione, dehydroepiandrosterone (DHEA) and androstenediol (5-androstene-3β …

Testosterone and the testosterone precursors pregnenolone, progesterone, 17α-
hydroxyprogesterone, 17α-hydroxypregnenolone, androstenedione, androstenediol and …

The possible influence of estrogens on the increased binding of testosterone in plasma of
adult men with progressing aged was examined. In 104 men, 17 to 89 years old, the plasma …

In order to investigate their pattern of change with age, free testosterone concentration
(FTC), testosterone (T), androstenedione (A) and testosterone-estrogenbinding globulin …

The concentrations of estrone and estradiol were measured in the testis tissue and
peripheral and spermatic venous blood serum of seven men with prostatic carcinoma. In …

Measurements of testosterone concentrations in peripheral and spermatic venous blood
have yielded conflicting results concerning testosterone production in elderly men. To further …

Abstract Twelve men, 19–40 years old, and 12 men, 60–86 years old, were given ACTH and
in a second test series, HCG. Oestrone, oestradiol-17β and cortisol were measured in the …

As an extension of our studies on the influence of age on testicular function and with the aim
of detecting whether the decline in testosterone production by aged testes is accompanied …

SUMMARY Δ 4 and Δ 5 androgens were measured in spermatic venous blood of 25
subjects (age range 20–70) during surgical intervention for hernia repair. All androgens …