title: Blood serum levels of amino-terminal pro-C-type natriuretic peptide in patients with rheumatoid arthritis.
authors.affiliation: Department of Rheumatology and Clinical Immunology, Poznan University of Medical Sciences, Poland.
authors.forename: A
authors.initials: A
authors.lastname: Olewicz-Gawlik
authors.forename: D
authors.initials: D
authors.lastname: Trzybulska
authors.forename: P
authors.initials: P
authors.lastname: Grala
authors.forename: P
authors.initials: P
authors.lastname: Hrycaj