参照菌株

大肠杆菌O23 O-抗原基因簇序列的破译及UDP-N-乙酰葡萄糖-C4异构酶的鉴定

大肠杆菌O110 O-抗原基因簇序列的破译及特异基因鉴定

reference value

reference standards

reference

Qianjin Yi Fang, Supplement to Invaluable Prescriptions for Ready Reference

reference time

reference number

psychological reference scale

reference compound