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Glycosaminoglycan (GAG) synthesis in various 3D printed osteochondral scaffolds. Data are±standard error of the mean, n=9; &p<0.05 when compared with all other scaffolds and $p<0.05 when compared with controls after 2 weeks; and ^p<0.05 when compared with controls and bi-phasic scaffolds after 1 week. Color images available online at www.liebertpub.com/tea
