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. 2018 Sep 18;16(5):6502–6514. doi: 10.3892/ol.2018.9453

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Copyright: © Nie et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 2. — Survival analyses, according to (A) year of diagnosis, (B) sex, (C) age, (D) race, (E) CHSDA region and (F) rural or urban in patients <25 years of age with osteosarcoma between 1973 and 2012. CHSDA, Contract Health Service Delivery Areas.