<http://webisa.webdatacommons.org/180578404>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/180578404>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<nih.gov> .
<http://webisa.webdatacommons.org/prov/233788490>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/180578404> .
<http://webisa.webdatacommons.org/prov/9664830>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/180578404> .
<http://webisa.webdatacommons.org/180578404>	<http://www.w3.org/ns/prov#value>	"The well documented difficulties involved in referring patients between vertical OPD, ART, antenatal care and other services were similarly experienced in this setting [28]." .