Associations of nicotinamide N-methyltransferase gene single nucleotide polymorphisms with sport performance and relative maximal oxygen uptake - Li, J.-H.; Chen, W.; Zhu, X.-J.; Lin, Y.-J.; Qiu, L.-Q.; Cai, C.-X.; Wang, Y.-H.; Xiong, Q.; Chen, F.; Chen, L.-H. (Journal of Sports Sciences, 2017)