1. Low levels of serum inhibin A and inhibin B in women with hypergonadotropic amenorrhea and evidence of high levels of activin A in women with hypothalamic amenorrhea 
Felice Petraglia, M.D., Beda Hartmann, M.D., Stefano Luisi, M.D., Pasquale Florio, M.D., Silvia Kirchengast, M.D., Massimo Santuz, M.D., Alessandro D Genazzani, M.D., Andrea R Genazzani, M.D. 
Fertility and Sterility 
Volume 70, Issue 5, Pages (November 1998)
DOI: /S (98)

2. FIGURE 1
Mean ± SEM inhibin A level in women with premature ovarian failure or hypothalamic amenorrhea, postmenopausal women, and healthy fertile controls. ∗P<.05.
Fertility and Sterility  , DOI: ( /S (98) )

3. FIGURE 2
Mean ± SEM inhibin B level in women with premature ovarian failure or hypothalamic amenorrhea, postmenopausal women, and healthy fertile controls. ∗P<.05.
Fertility and Sterility  , DOI: ( /S (98) )

4. FIGURE 3
Mean ± SEM activin A level in women with premature ovarian failure or hypothalamic amenorrhea, postmenopausal women, and healthy fertile controls. ∗P<.05.
Fertility and Sterility  , DOI: ( /S (98) )