Anatomical Variations in the Sinoatrial Nodal Artery: A Meta-Analysis and Clinical Considerations Vikse, Jens ; Henry, Brandon Michael ; Roy, Joyeeta ; Ramakrishnan, Piravin Kumar ; Hsieh, Wan Chin ; Walocha, Jerzy A. ; Tomaszewski, Krzysztof A. Abstract Publication: PLoS ONE Pub Date: February 2016 DOI: 10.1371/journal.pone.0148331 Bibcode: 2016PLoSO..1148331V