Singh, Manvendra K Tbx20 is essential for cardiac chamber differentiation and repression of Tbx2. [electronic resource] - Development (Cambridge, England) Jun 2005 - 2697-707 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0950-1991 Standard No.: 10.1242/dev.01854 doi Subjects--Topical Terms: AnimalsApoptosisBody Patterning--geneticsCell DifferentiationCell ProliferationGene Expression Regulation, DevelopmentalHeart--anatomy & histologyMiceMice, KnockoutMutation--geneticsMyocardium--cytologyRepressor Proteins--geneticsT-Box Domain Proteins--deficiency