原因不明性肝炎
hepatitis with unknown etiology
不明原因死亡
Deaths from an unknown cause
不明原因流产
unexplained abortion
Abortion with unknown reasons
不明原因肝病
Chronic liver diseases of unknown etiology
不明原因猝死
Unexplained sudden death
Unidentified sudden death
Sudden unexpected cardiac death
不明原因黄疸
hepatic jaundice with unknown reasons
不明原因腹水
Ascites of unknown origin
不明原因不孕
Unexplained infertility
unexplained infertility infections
群体性不明原因疾病
Mass illness of unknown origin