Skarin , G. ., Nillius , S. J. . and Wide , L. . (1984) “Long-term Subcutaneous Pulsatile Low Dose LH-RH Administration for Treatment of Infertile Men with Secondary Hypogonadotrophic Hypogonadism”, Upsala Journal of Medical Sciences, 89(1), pp. 81–90. doi: 10.3109/03009738409178467.