About: http://webisa.webdatacommons.org/20410398

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	covariates, such as age, sex, CD4+ cell count, and use of prophylaxis
http://www.w3.org/ns/prov#wasQuotedFrom	jamanetwork.com