OSTERMAN , P. O., G. WALLIN, and L. WIDE. “Nocturnal Secretory Patterns of FSH, GH, LH and TSH”. Upsala Journal of Medical Sciences 79, no. 1 (March 1, 1974): 55-62. Accessed April 21, 2026. https://ujms.net/index.php/ujms/article/view/7419.