Chronic PPARgamma activation of epididymally derived white adipocyte cultures reveals a population of thermogenically competenet, UCP1-containing adipocytes molecularly distinct from classic brown adipocytes - Petrovic, N; Walden, T B; Shabalina, I G; Timmons, J A; Cannon, B; Nedergaard, J (J Biol Chem, 2009)