LEHMANN, M.; MARTIN, F.; MANNIGEL, K.; KALTSCHMIDT, K.; SACK, U.; ANDERER, U. Three-dimensional scaffold-free fusion culture: the way to enhance chondrogenesis of in vitro propagated human articular chondrocytes. European Journal of Histochemistry, v. 57, n. 4, p. e31, 5 nov. 2013.