1. The Clinical Use of Platelet-Rich Plasma in Knee Disorders and Surgery—A Systematic Review and Meta-Analysis; June 2020, Life 10(6):94 DOI: 10.3390/life10060094. 2. Biological Therapies in Orthopedics and Sports Medicine, 2020 April—Chapter, ESSKA ICL Milan, 2021, 10.1007/978-3-662-61264-4_28. 3. Medicine (Baltimore). 2018 Dec; 97(50):e13605. doi: 10.1097/MD.0000000000013605. Medial Patellofemoral Ligament Reconstruction in Children: A Comparative Randomized Short-Term Study of Fascia Lata Allograft and Gracilis Tendon Autograft Reconstruction. 4. Pediatria Polska, Volume 92, Issue 6, November–December 2017, pages 748–752. The Tibial Spine Fractures—Infrequent but Noteworthy Issue. 5. Pediatria Polska, Volume 90, Issue 5, September–October 2015, pages 408–414. Prospects in the Medications Directed at Treating the Underlying Cause of CF. 6. Pediatria Polska, Volume 91, Issue 4, July–August 2016, pages 338–344. CFSPID—Cystic Fibrosis Screen Positive, Inconclusive Diagnosis. 7. Pediatria Polska, Volume 91, Issue 4, July–August 2016, pages 312–317. Inconclusive Diagnosis of Cystic Fibrosis in Children with Positive Newborn Screening.