Impaired urinary acidification--its incidence in diseases with autoimmune features.
D001172:Arthritis, Rheumatoid / Q000503:physiopathology / Q000652:urine; D001327:Autoimmune Diseases / Q000652:urine*; D001706:Biopsy; D004231:Diuresis; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007684:Kidney Tubules / Q000473:pathology / Q000503:physiopathology; D008180:Lupus Erythematosus, Systemic / Q000503:physiopathology / Q000652:urine; D014556:Urine