E., Agartz, I., Stenberg, N., Hundhausen, T., Mrkrid, L., & Andreassen, O
Persistent unexplained elevation alongside an abnormal CBC or differential, constitutional symptoms such as unexplained weight loss, night sweats, or persistent fever, or organ-specific findings all raise the need for referral
This is one reason they are frequently cited together in bodybuilding and athletic research communities, a context worth noting, though the research itself is still preclinical and has not established conclusions about human use
Tendon Fibroblast Outgrowth Chang et al., Journal of Applied Physiology (2011) Chang and colleagues conducted an in vitro study using tendon fibroblasts isolated from the Achilles tendons of male Sprague-Dawley rats