Haba, Mukhtar Kh., et al. “The Effect of Crude Alcoholic Extract of Fenugreek Seeds Trigonella Foenum on Prolactin and Luteinizing Hormone in Male Rabbits”. Journal of Biotechnology Research Center (JOBRC), vol. 6, no. 1, Jan. 2012, pp. 62-69, doi:10.24126/jobrc.2012.6.1.204.