@article{kristensen_sick_2012,
	title = {Sick leave in patients with ankylosing spondylitis before and after anti-{TNF} therapy: a population-based cohort study.},
	volume = {51},
	issn = {1462-0332 1462-0324},
	doi = {10.1093/rheumatology/ker169},
	abstract = {{OBJECTIVE}: To study levels of sick leave and disability pension before and after},
	pages = {243--249},
	number = {2},
	journaltitle = {Rheumatology (Oxford, England)},
	shortjournal = {Rheumatology (Oxford)},
	author = {Kristensen, Lars E. and Petersson, Ingemar F. and Geborek, Pierre and Joud, Anna and Saxne, Tore and Jacobsson, Lennart T. H. and Englund, Martin},
	date = {2012-02},
	pmid = {21565900},
	keywords = {Adolescent, Adult, Antibodies, Monoclonal/*administration \& dosage, Antibodies, Monoclonal, Humanized/*administration \& dosage, Antirheumatic Agents/*administration \& dosage, Case-Control Studies, Cohort Studies, Disability Evaluation, Disabled Persons/*statistics \& numerical data, Etanercept, Female, Humans, Immunoglobulin G/*administration \& dosage, Infliximab, Male, Middle Aged, Pain Measurement, Prospective Studies, Receptors, Tumor Necrosis Factor/*administration \& dosage, Registries, Sick Leave/*statistics \& numerical data, Spondylitis, Ankylosing/*drug therapy/physiopathology, Sweden, Treatment Outcome, Tumor Necrosis Factor-alpha/*antagonists \& inhibitors, Young Adult}
}