Article Information
vol. 56 no. suppl 64
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History
- Published online October 28, 2020.
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Copyright ©the authors 2020
Author Information
- 1Medical University of Sofia, Department of Pulmonary Diseases, Sofia, Bulgaria
- 2University Hospital of Obstetrics and Gynecology "Maichin Dom", National Genetics Laboratory, Sofia, Bulgaria
- Nikolay Yanev, Medical University of Sofia, Department of Pulmonary Diseases, Sofia, Bulgaria. E-mail: dr.nikolay.yanev{at}gmail.com