Seppelt U, Buhl K, Drews M
Urologe A. 1978 Mar;17(2):117-9.
Histometric microscopic quantifications of stromal and glandular portions of BPH revealed a significant correlation of the amount of the stromal portion to the individual estrogens in the serum and to the estrogen secretion in the urine. The serum androgen level, the so-called androgen/estrogen ratio, and age had no influence.