About: http://webisa.webdatacommons.org/353645161

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	Alternatively, the housing or hub may be provided with corrugations, dimples, recesses, concave surfaces, roughening or other structure that will facilitate manual gripping by a medical practitioner.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com