Objective To explore the significance of estrogen receptor (ER) and progesterone receptor (PgR) as a tumor-marker of liver cancer.是什么意思_Objective To explore the significance of estrogen receptor (ER) and progesterone receptor (PgR) as a tumor-marker of liver cancer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句