title: Recommendations in the American College of Rheumatology Guideline for the Treatment of Rheumatoid Arthritis Related to the Use of Biologic Agents in Patients With a History of Cancer Need Reconsideration: Comment on the Article by Singh et al.
authors: Academic Hospital Uskudar.
authors: Hasan
authors: H
authors: Yazici
authors: Istanbul University, Istanbul, Turkey.
authors: Yesim
authors: Y
authors: Ozguler
authors: Istanbul University, Istanbul, Turkey.
authors: Gulen
authors: G
authors: Hatemi
authors: New York University School of Medicine, New York, NY.
authors: Yusuf
authors: Y
authors: Yazici
mesh_terms: D018501:Antirheumatic Agents; D001172:Arthritis, Rheumatoid; D001685:Biological Factors; D006801:Humans; D009369:Neoplasms; D012219:Rheumatology; D014481:United States
chemical_list: D018501:Antirheumatic Agents; D001685:Biological Factors