Khadadah, M E Effect of methotrexate on pulmonary function in patients with rheumatoid arthritis--a prospective study. [electronic resource] - Rheumatology international Sep 2002 - 204-7 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0172-8172 Standard No.: 10.1007/s00296-002-0227-6 doi Subjects--Topical Terms: Arthritis, Rheumatoid--diagnosisCase-Control StudiesConfidence IntervalsDose-Response Relationship, DrugDrug Administration ScheduleFemaleFollow-Up StudiesHumansLung--drug effectsMaleMethotrexate--administration & dosageProbabilityProspective StudiesReference ValuesRespiratory Function TestsRisk AssessmentSeverity of Illness IndexStatistics, NonparametricTreatment Outcome