Fig. 1From: Systemic lupus Erythematosus and geomagnetic disturbances: a time series analysis27-day PGA average time series decomposition. a 27-day PGA average. b 27-day PGA average and fitted trend component. c 27-day PGA average and fitted trend and seasonality components. d 27-day PGA average and fitted trend, seasonality, and noise componentsBack to article page