id	keyword
hls-11817	stress
hls-11817	nurses
hls-11817	workload
hls-11817	mental
hls-11817	study
hls-11817	level
hls-11817	respondents
hls-11817	correlation
hls-11817	hospital
hls-11817	health
hls-11817	research
hls-11817	data
hls-11817	years
hls-11817	healthcare
hls-11817	results