廣東
參考文獻：
[1]胡鈺.緊急避孕藥.https://dxy.com/drug/22449/detail
[2]https://www.who.int/en/news-room/fact-sheets/detail/emergency-contraception
[3]周未來.短效避孕藥——最可靠的避孕方式之一.https://zhuanlan.zhihu.com/p/20069548
[4]胡鈺.短效復方口服避孕藥.https://dxy.com/drug/29999/detail
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