Author Details

Putra, Imam Budi, <p><em>Department Dermatology and Venereology, Faculty of Medicine Universitas Sumatera Utara/ Prof. dr. Chairuddin Panusunan Lubis Universitas Sumatera Utara Hospital, Medan, Indonesia</em></p>, Indonesia



© 2017 Department of Mathematics
Jalan Bioteknologi No. 1, Kampus USU, Medan - Indonesia
University of Sumatera Utara