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(A-J) 3D printing of human lungs. Republished with permission of American Association for the Advancement of Science, from Multivascular networks and functional intra vascular topologies within biocompatible hydrogels., Grigoryan B, Paulsen SJ, Corbett DC, et al, Vol. 364 No. 6439, 2019 ; permission conveyed through Copyright Clearance Center, Inc.
