3068367 mPCR multiplex polymerase chain reaction 324 2613098 multiplex-PCR multiplex polymerase chain reaction 10 3557101 MT-PCR multiplex tandem polymerase chain reaction 8 3700514 multi-PCR multiplex polymerase chain reaction 4 3279442 MP-PCR multiplex polymerase chain reaction 3 1818682 MPX PCR multiplex polymerase chain reaction 2 3700520 Multi-PCR multiplex polymerase chain reaction 2