Zhang Q, Zhu L, Zheng M, Fan C, Li Y, Zhang D, He Y, Yang H. Changes of serum omentin-1 levels in normal subjects, type 2 diabetes and type 2 diabetes with overweight and obesity in Chinese adults. Ann Endocrinol (Paris). 2014 Jul;75(3):171–5. doi: 10.1016/j.ando.2014.04.013. PMID: 24997770.