Aplikasi dan Evaluasi Metode Identifikasi Gen Porcine, Canine, dan Murine Berbasis Quantitative Polymerase Chain Reaction dengan Primer Reverse Spesifik pada Sediaan Farmasi Komersial = Application and Evaluation of Identification Method of Porcine, Canine, and Murine Genes Based on Quantitative Polymerase Chain Reaction Using Specific Reverse Primers on Commercial Pharmaceutical Dosage Forms