Stephen Lefrak is a Respiratory physician affiliated with Washington University in St. Louis. OpenAlex indexes 67 publications with 3,538 citations (h-index 29).
Overview
Scholarship
indexed output and impact (OpenAlex)Distinct works indexed by OpenAlex.
Total citations across indexed works.
Hirsch index, productivity × impact (OpenAlex).
Contact
The practice address and phone this provider lists in the federal NPPES (CMS) registry.
Practice address
Telephone
Practice address and telephone from the federal NPPES registry.
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Matched to this physician's OpenAlex author record; most-cited works shown first.
- Accuracy of Emphysema Quantification Performed With Reduced Numbers of CT Sections
American Journal of Roentgenology
2010
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A basic profile from our physician directory: identity and practice contact from the federal NPPES registry, research from OpenAlex, trials from ClinicalTrials.gov, payments from CMS Open Payments, shown itemized where we have matched records, as a count where we only have a total. This person hasn't been through our full identity-adjudication pipeline yet, so funding, congress activity and public presence aren't shown. Absence of a section means “not yet looked,” never “none found.”