TY - JOUR T1 - STUDY REVEALS LOW RISK OF COVID-19 INFECTION AMONG PATIENTS UNDERGOING HEAD AND NECK CANCER SURGERY JF - Saudi Medical Journal JO - Saudi Med J SP - 118 LP - 118 VL - 42 IS - 1 A2 - , Y1 - 2021/01/01 UR - http://smj.org.sa/content/42/1/118.abstract N2 - ER -