id	keyword
bam-10460	doi
bam-10460	patients
bam-10460	covid-19
bam-10460	phrenic
bam-10460	group
bam-10460	right
bam-10460	respiratory
bam-10460	thickness
bam-10460	sem
bam-10460	diaphragm
bam-10460	nerve
bam-10460	variables
bam-10460	sonography
bam-10460	inspiration