Sigma-Aldrich
BohlenderTM PTFE beaker
Boron carbide-hot-pressed
Boron nitride
氮化硼
牛IL-21 ELISA试剂盒, Bovine IL-21 ELISA Kit
BPC 157 trifluoroacetate salt
Branson M series ultrasonic bath
Brass alloy, Cu63Zn37