Media type: E-Article Title: The Twilight Zone: OTC Regulatory Regimes and Market Quality Contributor: Brüggemann, Ulf; Kaul, Aditya; Leuz, Christian; Werner, Ingrid M. imprint: Elsevier BV, 2013 Published in: SSRN Electronic Journal Language: English DOI: 10.2139/ssrn.2290492 ISSN: 1556-5068 Keywords: Pharmacology (medical) Origination: Footnote: