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. 2015 Nov 30;2(4):282–298. doi: 10.3390/jcdd2040282

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© 2015 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/4.0/).

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Visualization of Shox2 expression in the SAN by Shox2^HA-DsRed allele. (A) Frontal view of Shox2 expression in the SAN of a mouse carrying a Shox2^HA-DsRed allele at Postnatal Day 8 (P8), as revealed by DsRed expression. (B) Dorsal view of Shox2 expression in the same mouse. PV, pulmonary vein; RA, right atrium; IVC, inferior vena cava; SAN, Sinoatrial node; LSVC, left superior vena cava.