@article{202202.0276, doi = {10.20944/preprints202202.0276.v1}, url = {https://doi.org/10.20944/preprints202202.0276.v1}, year = 2022, month = {February}, publisher = {Preprints}, author = {Stanislava Dimitrova Popova-Belova and Mariela Gencheva Geneva-Popova and Velichka Zaharieva Popova and Krasimir Iliev Kraev and Anastas Zgurov Batalov}, title = {Presence of Crystals in the Synovial Fluid of Patients With Psoriatic Arthritis}, journal = {Preprints} }