Back to matchesWe found a matchYour institution may have rights to this item. Sign in to continue.TitleParity influences the severity of ACP-Anegative early rheumatoid arthritis: a cohort study based on the Swedish EIRA material.AuthorsPikwer, Mitra; Orellana, Cecilia; Källberg, Henrik; Pikwer, Andreas; Turesson, Carl; Klareskog, Lars; Alfredsson, Lars; Saevarsdottir, Saedis; Bengtsson, CamillaPublicationArthritis Research & Therapy, 2015, Vol 17, p1ISSN1478-6354Publication typeArticleDOI10.1186/s13075-015-0869-x