Infradian rhythmic variations of salivary estradiol and progesterone in healthy men.
Our authors: Celec Peter, Hodosy Július
All authors: Celec P, Ostatnikova D, Hodosy J, Skoknova M, Putz Z, Kudela M

Biological Rhythm Research, 37 (1): 37-44, 2006

http://www.tandfonline.com/doi/pdf/10.1080/09291010500410541