Geir E Tjonnfjord, MD, PhD
Rare Disease / Clinical Research
Oslo University Hospital, Oslo, Norway
PI on 1 trial
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Specialists are identified from ClinicalTrials.gov principal investigators, PubMed publications, and the NPI registry, then ranked through an automated scoring pipeline.
Report missing dataRare diseases treated or studied
Based on trial PI assignments and publication topics.
Clinical trials (1)
Verify independently
Other specialists for Cold agglutinin disease
Peers ranked by clinical-trial PI role, publications, and verification quality.
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- Jim Bush, MBChB, PhDFortrea Clinical Research Unit Ltd.
- Henrik Birgens, MD, PhDHerlev University Hospital, Copenhagen, Denmark
- Alexander Roeth, MDDepartment of Hematology, University Hospital Essen
- Ignacio Alvarez RojoRECORDATI GROUP