Pekkala S, Wiklund P, Hulmi JJ, Pöllänen E, Marjomäki V, Munukka E, Pierre P, Mouly V, Mero A, Alén M, Cheng S. Cannabinoid receptor 1 and acute resistance exercise--In vivo and in vitro studies in human skeletal muscle. Peptides. 2015 May;67():55–63. doi: 10.1016/j.peptides.2015.03.007. PMID: 25796352.