Authors
P. Liberty
Medical Study Program, Faculty of Medicine, Universitas Sumatera Utara, Kota Medan, Indonesia
I. B. Putra
Department of Dermatology and Venereology, Faculty of Medicine, Universitas Sumatera Utara, Kota Medan, Indonesia
N. K. Jusuf
Department of Dermatology and Venereology, Faculty of Medicine, Universitas Sumatera Utara, Kota Medan, Indonesia
M. I. Sari
Department of Biochemistry, Faculty of Medicine, Universitas Sumatera Utara, Kota Medan, Indonesia
