Isotopic composition and quality indicators of human samples from Shilinggang, Yunnan.

The samples marked in bold italics were found to be contaminated, and were not included in further statistical analysis. Context locations are shown in Fig 2a. Among the sample context codes, TNnWn (where n is an Arabic numeral) refers to excavation unit; Mn (where n is an Arabic numeral) refers to the grave number. “Ind.” stands for indeterminate sex.