title: Family studies in the information age.
authors.affiliation: Leiden University Medical Center, Leiden, The Netherlands.
authors.forename: Diane
authors.initials: D
authors.lastname: van der Woude
authors.forename: Gerdur
authors.initials: G
authors.lastname: Gröndal
authors.forename: Tom W J
authors.initials: TW
authors.lastname: Huizinga
mesh_terms: D001172:Arthritis, Rheumatoid; D005190:Family; D005260:Female; D006801:Humans; D008297:Male; D010456:Peptides, Cyclic / Q000235:genetics* / Q000276:immunology*; D012217:Rheumatoid Factor / Q000235:genetics* / Q000276:immunology*
chemical_list: D010456:Peptides, Cyclic; C487763:cyclic citrullinated peptide; D012217:Rheumatoid Factor