540330 RT-qPCR real-time fluorescence quantitative PCR 225 3818068 RT-PCR real-time fluorescence quantitative PCR 45 3716892 RFQ-PCR real-time fluorescent quantitative PCR 12 2341555 real-time PCR real-time fluorescence-based quantitative PCR 7 2151427 RTFQ-PCR real-time fluorescent quantitative PCR 6 3766936 RQ-PCR real-time fluorescence quantitative PCR 5 1869880 real time FQ-PCR real-time fluorescence quantitative PCR 2 2341562 Real-time PCR real-time fluorescence quantitative PCR 1