Skarin G., Nillius S. J., and Wide L. “Long-Term Subcutaneous Pulsatile Low Dose LH-RH Administration for Treatment of Infertile Men With Secondary Hypogonadotrophic Hypogonadism”. Upsala Journal of Medical Sciences, vol. 89, no. 1, Mar. 1984, pp. 81-90, doi:10.3109/03009738409178467.