About: http://webisa.webdatacommons.org/101536745

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 including age, sex, prescribing provider's division, and type of provider (staff physician, resident, or nurse practitioner) were collected through the pharmacy database.
http://www.w3.org/ns/prov#wasQuotedFrom	annals.org