APA

Pirke K. M., Sintermann R. & Vogt H. J. (19800722). Testosterone and testosterone precursors in the spermatic vein and in the testicular tissue of old men. Reduced oxygen supply may explain the relative increase of testicular progesterone and 17 alpha-hydroxyprogesterone content and production in old age. : Gerontology.

Chicago

Pirke K M, Sintermann R and Vogt H J. 19800722. Testosterone and testosterone precursors in the spermatic vein and in the testicular tissue of old men. Reduced oxygen supply may explain the relative increase of testicular progesterone and 17 alpha-hydroxyprogesterone content and production in old age. : Gerontology.

Harvard

Pirke K. M., Sintermann R. and Vogt H. J. (19800722). Testosterone and testosterone precursors in the spermatic vein and in the testicular tissue of old men. Reduced oxygen supply may explain the relative increase of testicular progesterone and 17 alpha-hydroxyprogesterone content and production in old age. : Gerontology.

MLA

Pirke K M, Sintermann R and Vogt H J. Testosterone and testosterone precursors in the spermatic vein and in the testicular tissue of old men. Reduced oxygen supply may explain the relative increase of testicular progesterone and 17 alpha-hydroxyprogesterone content and production in old age. : Gerontology. 19800722.