About: http://webisa.webdatacommons.org/21969007

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	These minor variations may have been reactions to malaria and other parasitic diseases of the blood found in North Africa.Not much is done with the distinction in conventional medicine, as you can transfuse A1 into A2 and vice versa.
http://www.w3.org/ns/prov#wasQuotedFrom	dadamo.com