R. P. Amann

Fertilizing potential in vitro of semen from young beef bulls containing a high or low percentage of sperm with a proximal droplet.

G. Seidel, R. P. Amann, R. Mortimer, 2000, Theriogenology.

Regional and seasonal differences in concentrations of androgen and estrogen receptors in ram epididymal tissue.

R. P. Amann, F. Tekpetey, R. P. Amann, 1988, Biology of reproduction.

Effects of microgravity or simulated launch on testicular function in rats.

G S Grills, B. Zirkin, G. Grills, 1992, Journal of applied physiology.

Effects of microgravity or simulated launch "

B. R. Zirkin, R. P. Amann, D. Deaver, 2022 .

Reproductive capacity of dairy bulls. IV. Spermatogenesis and testicular germ cell degeneration.

R. P. Amann, R. P. Amann, 1962, The American journal of anatomy.