Sagala, Irwan Pernandi, Universitas Sumatera Utara, Indonesia

• Sumatera Medical Journal Vol. 1 No. 1 (2018): Sumatera Medical Journal (SUMEJ) - Research Article
  The Difference of Olfactory Functions in The Workers of The Gas Station by Using Sniffin’ Stickstest in Medan City
  Abstract  PDF