About: http://webisa.webdatacommons.org/221724222

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	Constipation is the most common chronic side effect of opioid pain medications in patients with metastatic malignancy, and can be severe enough to limit opioid use or dose.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es