Cd concentration (mg kg<sup>−1</sup>, FW) in different vegetable species and the TF values in the PRD area. ZhangHuihua ChenJunjian ZhuLi YangGuoyi LiDingqiang 2014 <p>Cd concentration (mg kg<sup>−1</sup>, FW) in different vegetable species and the TF values in the PRD area.</p>