Scientific letterExpansion of CD4+CD28NULL T lymphocytes in patients with focal epicardial spasm. A potential novel pathogenetic roleExpansión de linfocitos T CD4+CD28NULL en pacientes con vasoespasmo focal: un potencial y novedoso rol patogenético
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Funding
This study was partially supported by funds from the Robert-Bosch-Foundation and the Berthold-Leibinger-Foundation, Ditzingen, Germany. The authors have no financial interest in this article.
Conflicts of interest
The authors declare that they have no conflict of interest.
Acknowledgments
The authors are grateful to Sabine Nägele, study nurse, for her excellent support during the study.
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These authors contributed equally to the work.
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