A thorough history and a complete physical examination are essential. Identifying the cause of polyarticular joint pain can be difficult because of the extensive differential diagnosis.
SCENIHR, Health Effects of Artificial Light, March 19, 2012 gives the following figures: These two standards (IEC 62471 and EN 62471) are identical, with exception of the limit values (Threshold Limit Values or TLVs).
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Treatment of systemic lupus erythematosus (SLE) is guided by the individual patient's manifestations.
Furthermore, they also facilitate more accurate subclassification and more focused monitoring for the detection of certain disease manifestations, such as lung and renal involvement.