Pengembangan Metode Analisis Campuran Neomisin Sulfat dan Polimiksin B Sulfat pada Sediaan Tetes Mata Secara Kromatografi Cair Kinerja Tinggi Detektor Evaporative Light Scattering dan Mikrobiologi = Development Method of Neomycin Sulfate and Polymyxin B Sulfate in Eye Drops by High Performance Liquid Chromatography Evaporative Light Scattering Detector and Microbiology.