Mitochondrial DNA Copy Number Is Associated with Breast Cancer Risk Thyagarajan, Bharat ; Wang, Renwei ; Nelson, Heather ; Barcelo, Helene ; Koh, Woon-Puay ; Yuan, Jian-Min Abstract Publication: PLoS ONE Pub Date: June 2013 DOI: 10.1371/journal.pone.0065968 Bibcode: 2013PLoSO...865968T