About: http://webisa.webdatacommons.org/1891906

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	But koilonychia can also be caused by direct trauma, excessive use of oils and soaps, or other more rare medical problems such as:
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com