title: TWO CASES OF EARLY SARCOIDOSIS PRESENTING AS POLYARTHRITIS.
mesh_terms: D001168:Arthritis; D002170:Canada; D003937:Diagnosis, Differential; D004893:Erythema Nodosum; D006801:Humans; D010336:Pathology; D013902:Radiography, Thoracic; D012507:Sarcoidosis; D012882:Skin Tests
keywords: ARTHRITIS; CANADA; DIAGNOSIS, DIFFERENTIAL; ERYTHEMA NODOSUM; PATHOLOGY; SARCOIDOSIS; SKIN TESTS; THORACIC RADIOGRAPHY