NILLIUS S. J., and WIDE L. “Acute Effects of a New Stimulatory Luteinizing Hormone-Releasing Hormone Analogue D-Ser(TBU)6-EA10-LRH on the Gonadotrophin and Gonadal Steroid Secretion in Women With Amenorrhoea”. Upsala Journal of Medical Sciences, vol. 82, no. 1, Feb. 1977, doi:10.3109/03009737709179054.