Abbasi, Amir, Riyahi Malayeri, Shahin, Mousavi Sadati, Seyed Kazem. Effect of beta-alanine supplementation on  carnosine amount and muscle strength of the upper and lower extremities of bodybuilding athletes.  Journal of Sports Physiology and Athletic Conditioning. 2021;1(1):11-20. 10.61186/jspac.19831.1.1.11