About: http://webisa.webdatacommons.org/325696024

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	For a discussion of the details of the known photocoagulation method and apparatus, including the wave lengths and energies required, reference may be had to U.S. Pat. No. 3,693,623.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr