# John E. Heffner

**Type:** Researchers  
**Canonical URL:** https://scholariq.org/researchers/john-e-heffner/

## Facts

| Field | Value |
| --- | --- |
| Citations | 19,776 |
| Field | Pleural and Pulmonary Diseases |
| h-index | 52 |
| i10-index | 138 |
| Last Known Institution | Providence Portland Medical Center |
| OpenAlex ID | https://openalex.org/A5063504508 |
| ORCID iD | https://orcid.org/0000-0002-4858-6077 |
| Works | 457 |

## Researcher papers

- [Pleural Fluid Chemical Analysis in Parapneumonic Effusions. A Meta-Analysis](https://scholariq.org/papers/pleural-fluid-chemical-analysis-in-parapneumonic-effusions-a-meta-analysis/)

## Researcher topics

- [Pleural and Pulmonary Diseases](https://scholariq.org/topics/pleural-and-pulmonary-diseases/)
- [Chronic Obstructive Pulmonary Disease (COPD) Research](https://scholariq.org/topics/chronic-obstructive-pulmonary-disease-copd-research/)
- [Respiratory Support and Mechanisms](https://scholariq.org/topics/respiratory-support-and-mechanisms/)
- [Tracheal and airway disorders](https://scholariq.org/topics/tracheal-and-airway-disorders-2/)
- [Airway Management and Intubation Techniques](https://scholariq.org/topics/airway-management-and-intubation-techniques/)

## Researcher university

- [Providence Portland Medical Center](https://scholariq.org/institutions/providence-portland-medical-center/)

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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.