title: Undifferentiated connective tissue diseases: mixed or muddled?
authors.forename: P J
authors.initials: PJ
authors.lastname: Venables
mesh_terms: D003240:Connective Tissue Diseases / Q000097:blood* / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006801:Humans; D008947:Mixed Connective Tissue Disease / Q000097:blood / Q000175:diagnosis