id	keyword
csm-3456	apr
csm-3456	covid-19
csm-3456	therapy
csm-3456	treatment
csm-3456	vol
csm-3456	media
csm-3456	society
csm-3456	patients
csm-3456	communication
csm-3456	hospital
csm-3456	scholink
csm-3456	oxygen
csm-3456	inc
csm-3456	day
csm-3456	june
csm-3456	chest
csm-3456	parallel
csm-3456	body
csm-3456	media vol