Patterns of Plasma Corticotropin-Releasing Hormone, Progesterone, Estradiol, and Estriol Change and the Onset of Human Labor

R Smith, J. I Smith, X Shen, P. J Engel, M. E Bowman, S. A McGrath, A. M Bisits, P McElduff, W. B Giles and D. W. Smith

Journal of Clinical Endocrinology & Metabolism 94 ( 6 ): 2066 - 2074 , 2009