Pain and depression are associated with both physical and mental fatigue independently of comorbidities and medications in primary Sjögren’s syndrome oleh Nagui Gendi, Costantino Pitzalis, Paul Emery, Kate L Hackett, Kristen Davies, Jessica Tarn, Rebecca Bragg, Ben Hargreaves, Samira Miyamoto, Peter McMeekin, Sheryl Mitchell, Simon Bowman, Elizabeth J Price, Colin Pease, Jacqueline Andrews, Peter Lanyon, John Hunter, Monica Gupta, Michele Bombardieri, Nurhan Sutcliffe, John McLaren, Annie Cooper, Marian Regan, Ian Giles, David Isenberg, Saravan Vadivelu, David Coady, Bhaskar Dasgupta, Neil McHugh, Steven Young-Min, Robert Moots, Mohammed Akil, Bridget Griffiths, Dennis W Lendrem, Wan-Fai Ng