@prefix skos:	<http://www.w3.org/2004/02/skos/core#> .
@prefix isac:	<http://webisa.webdatacommons.org/concept/> .
isac:_hiv_	skos:broader	isac:common_std_ .
isac:_syphilis_	skos:broader	isac:common_std_ .
isac:_aid_	skos:broader	isac:common_std_ .
isac:_condom_	skos:broader	isac:common_std_ .
isac:_hpv_	skos:broader	isac:common_std_ .
isac:_gonorrhea_	skos:broader	isac:common_std_ .
isac:_herpes_	skos:broader	isac:common_std_ .
isac:_chlamydium_	skos:broader	isac:common_std_ .
isac:human_papillomavirus_	skos:broader	isac:common_std_ .
isac:_trichomoniasis_	skos:broader	isac:common_std_ .
isac:genital_herpes_	skos:broader	isac:common_std_ .