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Factors associated with hospitalizations for Covid-19 in patients with rheumatoid arthritis: data from the Reumacov Brazil registry.
Adv Rheumatol. 2022 May 3;62(1):13. doi: 10.1186/s42358-022-00244-5.
Adv Rheumatol. 2022.
PMID: 35505408
Free PMC article.
Evaluating cardiac vagal activity on a conventional electrocardiogram.
Teixeira FP, Ricardo DR, de Castro CL, de Araújo CG.
Teixeira FP, et al.
Arq Bras Cardiol. 2007 Apr;88(4):378-83. doi: 10.1590/s0066-782x2007000400002.
Arq Bras Cardiol. 2007.
PMID: 17546264
Free article.
English, Portuguese.
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