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1
J Mov Disord > Volume 11(2); 2018 > Article
Review Article
J Mov Disord 2018; 11(2): 53-64.
Published online: May 30, 2018
DOI: https://doi.org/10.14802/jmd.17028
The Burden of Stroke in Europe
E. Stevens; Dr. E. Emmett; Dr. A. Wang; et al.
Stroke Alliance for Europe, King's College London
(2019)
C2
Accessed: 11.03.2019
The objective of this guideline is to present the complete set of all WHO recommendations and best practice statements relating to abortion. While legal, regulatory, policy and service-delivery contexts may vary from country to country, the recommendations and best practices described in this docume
...
nt aim to enable evidence-based decision-making with respect to quality abortion care.
This guideline updates and replaces the recommendations in all previous WHO guidelines on abortion care
more
Rev Panam Salud Publica. 2018;42:e45. https://doi.org/10.26633/RPSP.2018.45
Q1: What are the effective maternal mental health interventions to prevent developmental problems in early infancy?
Developmental Disabilities
Institute of Medicine (US); Committee on Nervous System Disorders in Developing Countries; National Academy of Sciences
(2001)
C2
Neurological, Psychiatric, and Developmental Disorders: Meeting the Challenge in the Developing World
Institute of Medicine (US) Committee on Nervous System Disorders in Developing Countries.
Washington (DC): National Academies Press (US); 2001.
The health and social effects of nonmedical cannabis use
World Health Organization
(2016)
C_WHO
Changes in Europe’s cannabis resin market
European Monitoring Centre for Drugs and Drug Addiction
(2017)
C2
Perspectives on Drugs
Methamphetamine continues to dominate synthetic drug markets
United Nations Office on Drugs and Crime; Global smart
(2018)
C2
Volume 20, September
Global smart update
The ITHACA Toolkit for monitoring Human Rights and General Health Care in mental health and social care institutions
Institutional Treatment,Human Rights and CareAssessment (ITHACA)
Health Service and Population Research Department,Institute of Psychiatry, King's College London
(2010)
Executive Summary - Chapter 4 Human Resources
M. E. Medina-Mora
ATLAS on substance use (2010)— Resources for the prevention and treatment of substance use disorder; WHO
(2019)
C_WHO
ATLAS on substance use (2010)— Resources for the prevention and treatment of substance use disorder
Accessed: 14.03.2019
Executive Summary - Chapter 6 Prevention
T. Stockwell
ATLAS on substance use (2010)— Resources for the prevention and treatment of substance use disorder; WHO
(2019)
C_WHO
ATLAS on substance use (2010)— Resources for the prevention and treatment of substance use disorder
Accessed: 14.03.2019
Global status report on alcohol and health 2018
World Health Organization
(2018)
C_WHO
Global strategy to reduce the harmful use of alcohol
World Health Organization
(2010)
C_WHO
Rapid review and case studies from Member States
Guidelines for the Psychosocially Assisted Pharmacological Treatment of Opioid Dependence
World Health Organization
(2009)
C_WHO
New heroin-assisted treatment - Recent evidence and current practices of supervised injectable heroin treatment in Europe and beyond
J. Strang; T. Groshkova; N. Metrebian
European Monitoring Centre for Drugs and Drug Addiction; Publications Office
(2019)
C2
EMCDDA Insights - 11
Accessed: 14.03.2019
Research Article
PLOS Medicine | https://doi.org/10.1371/journal.pmed.1002625 July 31, 2018 / 1-19