id	keyword
hls-729	variables
hls-729	care
hls-729	health
hls-729	rural
hls-729	results
hls-729	urban
hls-729	elasticity
hls-729	healthcare
hls-729	table
hls-729	quality
hls-729	utilization
hls-729	income
hls-729	areas
hls-729	demand
hls-729	poor