article_metadata: Masao Sato Masao Takemura Ryuki Shinohe Katsuji Shimizu
article_metadata: 10.1155/2011/185657
article_metadata: Case Rep Rheumatol
article_metadata: 2011;2011:185657.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/22937439/
article_metadata: Case Reports
article_metadata: PMC3420776
article_metadata: 22937439
article_metadata: Serum cytokine concentrations in a patient with rheumatoid arthritis on etanercept therapy who subsequently developed pneumocystis pneumonia: a case report
article_metadata: 2011