Korelasi Kadar Albumin dan Prealbumin terhadap Skor Patient Generated Subjective Global Assessment (PG-SGA) pada Pasien Onkologi Ginekologi di RSUPN Dr. Cipto Mangunkusumo = Correlation Between Albumin and Prealbumin Levels to Scored-Patient Generated Subjective Global Assessment (PG-SGA) in Gynaecological Oncology patients at RSUPN Dr. Cipto Mangunkusumo