About: http://webisa.webdatacommons.org/177680362

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	Two months previously he began to have asthenia and nausea, especially in the morning, progressing gradually to anorexia, diarrhea, extreme weakness and languor.
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com