您要查找的是不是：
- eight thousand nine hundred and seventy one (=8971) 八千九百七十一
- five thousand nine hundred and seventy one (=5971) 五千九百七十一
- seven thousand nine hundred and seventy one (=7971) 七千九百七十一
- three thousand nine hundred and seventy one (=3971) 三千九百七十一
- four thousand nine hundred and seventy one (=4971) 四千九百七十一
- nine thousand nine hundred and seventy one (=9971) 九千九百七十一
- one thousand nine hundred and seventy one (=1971) 一千九百七十一
- six thousand nine hundred and seventy one (=6971) 六千九百七十一
- two thousand nine hundred and seventy one (=2971) 二千九百七十一
- nine hundred and seventy one (=971) 九百七十一
- one thousand nine hundred and seventy five (=1975) 一千九百七十五
- one thousand nine hundred and seventy four (=1974) 一千九百七十四
- one thousand nine hundred and seventy six (=1976) 一千九百七十六
- one thousand nine hundred and seventy three (=1973) 一千九百七十三
- one thousand nine hundred and seventy two (=1972) 一千九百七十二
- nine thousand four hundred and seventy one (=9471) 九千四百七十一
- nine thousand seven hundred and seventy one (=9771) 九千七百七十一
- Methods: Two hundred and seventy one cases of patients with rheumatoid arthritis (RA) were treated using various TP to observe the occurrence of adverse reaction. 方法：应用雷公藤制剂治疗类风湿关节炎（RA）患者271例，并观察其副作用发生情况。
- nine thousand six hundred and seventy one (=9671) 九千六百七十一
- nine thousand two hundred and seventy one (=9271) 九千二百七十一
