About: http://webisa.webdatacommons.org/194367474

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	However, this conventional green laser has some complications such as pain, vitreous haemorrhage, choroidal effusion and visual field loss.
http://www.w3.org/ns/prov#wasQuotedFrom	clinicaltrials.gov