id	keyword
hls-11760	schistosomiasis
hls-11760	water
hls-11760	risk
hls-11760	knowledge
hls-11760	education
hls-11760	use
hls-11760	hupensis
hls-11760	oncomelania
hls-11760	factors
hls-11760	research
hls-11760	infection
hls-11760	lindoensis
hls-11760	highland