TY - JOUR T1 - Speech droplets drive transmission of SARS-COV-2 JF - Saudi Medical Journal JO - Saudi Med J SP - 920 LP - 920 VL - 42 IS - 8 A2 - , Y1 - 2021/08/01 UR - http://smj.org.sa/content/42/8/920.abstract N2 - ER -