Ethical considerations and potential threats to validity for three methods commonly used to collect geographic information in studies among people who use drugs

Image Image of a generic work. The text above it indicates that there is no free image of the work available, and that if you own one, you can click on the placeholder link to upload it.
Description scientific article published on 17 May 2016
Author/s

author: Abby E. Rudolph  Angela R. Bazzi 

Publication date May 17, 2016
Language English
Country of origin
Wikipedia link
Copyright status
Missing/wrong data? Edit Wikidata item