Hwang JJ, Yeckel CW, Gallezot JD, Aguiar RB, Ersahin D, Gao H, Kapinos M, Nabulsi N, Huang Y, Cheng D, Carson RE, Sherwin R, Ding YS. Imaging human brown adipose tissue under room temperature conditions with (11)C-MRB, a selective norepinephrine transporter PET ligand. Metabolism. 2015 Jun; 64(6):747-55.