@article{3976861,
      note = {At head of title: International Narcotics Control Board.},
      url = {http://digitallibrary.un.org/record/3976861},
      title = {Psychotropic substances. statistics for 2020, assessments  of annual medical and scientific requirements for  substances in Schedules II, III and IV of the Convention on  Psychotropic Substances of 1971 for 2022 = Substances  psychotropes 2021 : statistiques pour 2020, prévisions des  besoins annuels médicaux et scientifiques concernant les  substances des Tableaux II, III et IV de la Convention sur  les substances psychotropes de 1971 pour 2022  = Sustancias  sicotrópicas 2021 : estadísticas de 2020, previsiones de  las necesidades anuales para fines médicos y científicos  de las sustancias de las Listas II, III y IV del Convenio  sobre Sustancias Sicotrópicas de 1971 para 2022, 2021,},
      publisher = {UN,},
      recid = {3976861},
      pages = {viii, 627 p. :},
      address = {Vienna :. 2022},
      year = {2022},
}