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Erectile Dysfunction among People Who Use Ketamine and Poly-Drugs.
Suppiah B, Vicknasingam B, Singh D, Narayanan S. Suppiah B, et al. Among authors: narayanan s. J Psychoactive Drugs. 2016 Apr-Jun;48(2):86-92. doi: 10.1080/02791072.2016.1156790. Epub 2016 Mar 25. J Psychoactive Drugs. 2016. PMID: 27014841
Decriminalization of drug use.
Vicknasingam B, Narayanan S, Singh D, Chawarski M. Vicknasingam B, et al. Among authors: narayanan s. Curr Opin Psychiatry. 2018 Jul;31(4):300-305. doi: 10.1097/YCO.0000000000000429. Curr Opin Psychiatry. 2018. PMID: 29746420
Long-Term Cognitive Effects of Kratom (Mitragyna speciosa Korth.) Use.
Singh D PhD, Narayanan S PhD, Müller CP PhD, Vicknasingam B PhD, Yücel M PhD, Ho ETW PhD, Hassan Z PhD, Mansor SM PhD. Singh D PhD, et al. Among authors: narayanan s ph d. J Psychoactive Drugs. 2019 Jan-Mar;51(1):19-27. doi: 10.1080/02791072.2018.1555345. Epub 2018 Dec 15. J Psychoactive Drugs. 2019. PMID: 30556488
1,993 results