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Abstract Copper provenance in Bronze Age China has long been hindered by the ternary alloying (Cu-Sn-Pb) of Shang bronzes, which masks the geochemical signatures of copper sources. Here we circumvent this problem by analyzing copper ore assemblages from two Upper Erligang period (ca. 1400 BC) bronze casting sites, Chuangxinjie School North Campus and Xiaoshuangqiao, associated with the Shang capitals at Zhengzhou.
1Department of Gynecology and Obstetrics, Renmin Hospital of Wuhan University, Wuhan, Hubei, China 2Department of Gynecology and Obstetrics, Wuhan Jiangxia District Hospital of Traditional Chinese Medicine, Wuhan, Hubei, China Background: Pelvic organ prolapse (POP) is a prevalent condition treated with pelvic floor reconstruction surgery, which can be associated with significant postoperative morbidity.
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