About: http://webisa.webdatacommons.org/197917430

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 counterfeit artesunate, containing none or too little (???subtherapeutic levels???) of the active ingredient, is a growing problem especially in South and East Asia.
http://www.w3.org/ns/prov#wasQuotedFrom	pubmedcentralcanada.ca