Opium use reporting error in case-control studies: neighborhood controls versus hospital visitor controls
Summary
Opium use reporting error in case-control studies: neighborhood controls versus hospital visitor controls is a scholarly article[1].
Key Facts
Opium use reporting error in case-control studies: neighborhood controls versus hospital visitor controls's instance of is recorded as scholarly article[2].
References
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Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.
APA4ort.xyz Knowledge Graph. (2026). Opium use reporting error in case-control studies: neighborhood controls versus hospital visitor controls. Retrieved May 24, 2026, from https://4ort.xyz/entity/opium-use-reporting-error-in-case-control-studies-neighborhood-controls-versus-hospital-visitor-controls
MLA“Opium use reporting error in case-control studies: neighborhood controls versus hospital visitor controls.” 4ort.xyz Knowledge Graph, 4ort.xyz, 24 May. 2026, https://4ort.xyz/entity/opium-use-reporting-error-in-case-control-studies-neighborhood-controls-versus-hospital-visitor-controls.
BibTeX@misc{4ortxyz_opium-use-reporting-error-in-case-control-studies-neighborhood-controls-versus-hospital-visitor-controls_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Opium use reporting error in case-control studies: neighborhood controls versus hospital visitor controls}}, year = {2026}, url = {https://4ort.xyz/entity/opium-use-reporting-error-in-case-control-studies-neighborhood-controls-versus-hospital-visitor-controls}, note = {Accessed: 2026-05-24}}
LLM promptAccording to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Opium use reporting error in case-control studies: neighborhood controls versus hospital visitor controls — https://4ort.xyz/entity/opium-use-reporting-error-in-case-control-studies-neighborhood-controls-versus-hospital-visitor-controls (retrieved 2026-05-24)
