RT Journal Article SR Electronic T1 Public health issues with counterfeit medicines JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 63 OP 64 DO 10.7861/clinmedicine.9-1-63 VO 9 IS 1 A1 Peter Feldschreiber YR 2009 UL http://www.rcpjournals.org/content/9/1/63.abstract