Use the intended interface to check class type.
Use the intended interface to check class type.

qPCR4vir/orange3,qPCR4vir/orange3,cheral/orange3,cheral/orange3,cheral/orange3,kwikadi/orange3,kwikadi/orange3,marinkaz/orange3,cheral/orange3,qPCR4vir/orange3,marinkaz/orange3,qPCR4vir/orange3,marinkaz/orange3,qPCR4vir/orange3,marinkaz/orange3,qPCR4vir/orange3,marinkaz/orange3,kwikadi/orange3,cheral/orange3,kwikadi/orange3,marinkaz/orange3,kwikadi/orange3,cheral/orange3,kwikadi/orange3