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Enciclopedia del bodybuilding:
British Journal of Sports Medicine - https://bjsm.bmj.com/
Ampia selezione di preparati farmacologici - steroidforyou.com
Creatine supplementation meta-analysis - https://jissn.biomedcentral.com/articles/10.1186/1550-2783-10-53
Vitamin D supplementation - https://www.frontiersin.org/articles/10.3389/fnut.2021.636156/full
