About: http://webisa.webdatacommons.org/428427776

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	Compared with each other, we do not know whether gastric bypass, vertical banded gastroplasty, biliopancreatic diversion, or gastric banding is the most effective surgery or the least harmful.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca