# Increasing Delta-9-Tetrahydrocannabinol (?-9-THC) Content in Herbal Cannabis Over Time: Systematic Review and Meta-Analysis

**Type:** Papers  
**Canonical URL:** https://scholariq.org/papers/increasing-delta-9-tetrahydrocannabinol-9-thc-content-in-herbal-cannabis-over/

## Facts

| Field | Value |
| --- | --- |
| Author Names | Fidelia Cascini,C Aiello,Gian Luca Di Tanna |
| Citations | 205 |
| DOI | 10.2174/1874473711205010032 |
| Fields | Medicine,Pharmacology, Toxicology and Pharmaceutics,Psychology |
| Open Access | false |
| OA Status | closed |
| OpenAlex ID | https://openalex.org/W2116386190 |
| PMID | 22150622 |
| Type | article |
| Year | 2012 |

## Paper authors

- [Gian Luca Di Tanna](https://scholariq.org/researchers/gian-luca-di-tanna/)

## Paper primary topic

- [Cannabis and Cannabinoid Research](https://scholariq.org/topics/cannabis-and-cannabinoid-research/)

## Paper topics

- [Cannabis and Cannabinoid Research](https://scholariq.org/topics/cannabis-and-cannabinoid-research/)
- [Forensic Toxicology and Drug Analysis](https://scholariq.org/topics/forensic-toxicology-and-drug-analysis/)
- [Psychedelics and Drug Studies](https://scholariq.org/topics/psychedelics-and-drug-studies/)

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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.