# Methodological Weaknesses in Non-Randomized Studies of Ecstasy (MDMA) Use: A Cautionary Note to Readers and Reviewers

**Type:** Papers  
**Canonical URL:** https://scholariq.org/papers/methodological-weaknesses-in-non-randomized-studies-of-ecstasy-mdma-use-a/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Teri Suzanne Krebs,Pål-Ørjan Johansen |
| Citations | 5 |
| DOI | 10.1038/npp.2011.202 |
| Fields | Medicine,Neuroscience,Pharmacology, Toxicology and Pharmaceutics |
| Open Access | true |
| OA Status | bronze |
| OA URL | https://www.nature.com/articles/npp2011202.pdf |
| OpenAlex ID | https://openalex.org/W2011976824 |
| PMID | 22327903 |
| Type | article |
| Year | 2012 |

## Paper authors

- [Teri Suzanne Krebs](https://scholariq.org/researchers/teri-suzanne-krebs/)
- [Pål-Ørjan Johansen](https://scholariq.org/researchers/pal-rjan-johansen/)

## Paper journal

- [Neuropsychopharmacology](https://scholariq.org/journals/neuropsychopharmacology/)

## Paper primary topic

- [Forensic Toxicology and Drug Analysis](https://scholariq.org/topics/forensic-toxicology-and-drug-analysis/)

## Paper topics

- [Forensic Toxicology and Drug Analysis](https://scholariq.org/topics/forensic-toxicology-and-drug-analysis/)
- [Cannabis and Cannabinoid Research](https://scholariq.org/topics/cannabis-and-cannabinoid-research/)
- [Neurotransmitter Receptor Influence on Behavior](https://scholariq.org/topics/neurotransmitter-receptor-influence-on-behavior/)

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Source: ScholarIQ — public research metadata, principally OpenAlex. See https://scholariq.org/sources/ for provenance and https://scholariq.org/methodology/ for what these figures mean.