[DIFFICULTIES IN THE DIFFERENTIAL DIAGNOSIS OF THE EARLY STAGES OF SOME COLLAGEN DISEASES].
D001168:Arthritis; D001172:Arthritis, Rheumatoid; D001706:Biopsy; D001772:Blood Cell Count; D002648:Child; D003095:Collagen Diseases; D003882:Dermatomyositis; D003937:Diagnosis, Differential; D006801:Humans; D008180:Lupus Erythematosus, Systemic; D012214:Rheumatic Heart Disease
ARTHRITIS, RHEUMATOID; BIOPSY; BLOOD CELL COUNT; CHILD; DERMATOMYOSITIS; DIAGNOSIS, DIFFERENTIAL; LUPUS ERYTHEMATOSUS, SYSTEMIC; RHEUMATIC HEART DISEASE
TRUDNO'SCI ROZPOZNAWANIA R'OZNICOWEGO WE WCZESNYCH OKRESACH NIEKT'ORYCH CHOR'OB KOLAGENOWYCH.