Strassman, B. I. 1987. Effects of cattle grazing and haying on wildlife conservation at National Wildlife Refuges in the United States. Nepomnaschy, B. England Welch, P. McConnell, K. Strassman, D. (2004). «Stress and female reproductive operate: a study of day-to-day variations in cortisol, gonadotrophins, and gonadal steroids in a rural Mayan inhabitants» (PDF). Fans of…
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