article_metadata: Kait Arefiev David F Fiorentino Lorinda Chung
article_metadata: 10.1155/2011/201787
article_metadata: Int J Rheumatol
article_metadata: 2011;2011:201787.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/22121371/
article_metadata: PMC3205679
article_metadata: 22121371
article_metadata: Endothelin Receptor Antagonists for the Treatment of Raynaud's Phenomenon and Digital Ulcers in Systemic Sclerosis
article_metadata: 2011