About: http://webisa.webdatacommons.org/133792016

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Both studies had limitations, including lack of information on severity of subjective symptoms in the former and lack of information on potential causal associations in the latter.
http://www.w3.org/ns/prov#wasQuotedFrom	acpinternist.org