Engler, Dennis. “Hypothesis: Musculin Is a Hormone Secreted by Skeletal Muscle, the body’s Largest Endocrine Organ”. Acta Biomedica Atenei Parmensis 78, no. 1Suppl (March 1, 2007): 156–206. Accessed July 27, 2024. https://mattioli1885journals.com/index.php/actabiomedica/article/view/4619.