Cite
MLA Citation
Sung Hae Chang et al.. “A clinical comparison of an endothelin receptor antagonist and phosphodiesterase type 5 inhibitors for treating digital ulcers of systemic sclerosis.” Rheumatology, vol. 60, 2021, pp. 5814–5819. http://access.bl.uk/ark:/81055/vdc_100148063189.0x000005