Media type: E-Article Title: 'Substance' A Singapore's Perspective Contributor: Wong Siu Ching, Cindy; Yan, Tang Siau Published: Elsevier BV, 2017 Published in: SSRN Electronic Journal (2017) Language: English DOI: 10.2139/ssrn.3104981 ISSN: 1556-5068 Keywords: Pharmacology (medical) Origination: Footnote: