TY - JOUR T1 - Can SARS-CoV-2 be detected in a few exhalations? JF - Saudi Medical Journal JO - Saudi Med J SP - 322 LP - 322 VL - 43 IS - 3 A2 - , Y1 - 2022/03/01 UR - http://smj.org.sa/content/43/3/322.abstract N2 - ER -