Site-specific absence of microfibrillar-associated protein 4 (MFAP4) from the internal elastic membrane of arterioles in the rheumatoid arthritis synovial membrane: an immunohistochemical study in patients with advanced rheumatoid arthritis versus osteoarthritis. - Christensen AF; Sorensen GL; Junker K; Revald P; Varnum C; Issa SF; Junker P; Sorensen FB (APMIS : acta pathologica, microbiologica, et immunologica Scandinavica, 2019)