A Meta-analysis of Side Effects of GCu200 Intrauterine Device in Different Periods of Insertion

ZHOU Jian，YANG Yue-hua，SUN Zhi-ming，ZHANG Xue-ning，SHI Wen-hui，CHEN Ying，XU Hao-qin

Journal of International Reproductive Health/Family Planning . 2018, (6): 467 -473 .