1. Androgen effects on bone and muscle
Morris Notelovitz, M.D., Ph.D. 
Fertility and Sterility 
Volume 77, Pages (April 2002)
DOI: /S (02)

2. FIGURE 1
Bone remodeling, sex steroids, and mechanical loading. E, Estrogen; A, Androgen; NO, nitric oxide; +, stimulatory; −, inhibitory; PG, prostaglandin; double circle, primary activity; single circle, secondary activity. (From Smit and Burger (1). Reprinted by permission of the publisher.)
Notelovitz. Androgen effects on bone and muscle. Fertil Steril 2002.
Fertility and Sterility  , 34-41DOI: ( /S (02) )

3. FIGURE 2
Putative mechanism of androgen action in the human female osteoblast. E, 17-β estradiol; ER, estrogen receptor; PTH, parathyroid hormone; R, pth receptor; G, G protein; AC, adenylate cyclase; cAMP, cyclic adenosine monophosphate. (From Gasperino (17). Reprinted by permission of the publisher.)
Notelovitz. Androgen effects on bone and muscle. Fertil Steril 2002.
Fertility and Sterility  , 34-41DOI: ( /S (02) )