Kupferberg, Natalie; Protus, Bridget McCrate (2011). "Accuracy and completeness of drug information in Wikipedia: an assessment". Journal of the Medical Library Association : JMLA. University Library System, University of Pittsburgh. 99 (4): 310–313. DOI:10.3163/1536-5050.99.4.010. ISSN1536-5050.
Kupferberg, Natalie; Protus, Bridget McCrate (2011). "Accuracy and completeness of drug information in Wikipedia: an assessment". Journal of the Medical Library Association : JMLA. University Library System, University of Pittsburgh. 99 (4): 310–313. DOI:10.3163/1536-5050.99.4.010. ISSN1536-5050.