@article{201902.0199,
	doi = {10.20944/preprints201902.0199.v1},
	url = {https://doi.org/10.20944/preprints201902.0199.v1},
	year = 2019,
	month = {February},
	publisher = {Preprints},
	author = {Ciro Manzo and Alberto Castagna},
	title = {Sleep Impairment at the Time of First Diagnosis in Patients with Seronegative Elderly-Onset Rheumatoid Arthritis and in Patients with Polymyalgia Rheumatica},
	journal = {Preprints}
}