Layadi, E. B.; Pribadi, R. R.; Krisnuhoni, E.; Kartika, E.; Wijaya, F. W.; Ichsan, O. Ulcerative Colitis As the Rarer Phenotype of Inflammatory Bowel Disease to Coexist With Psoriatic Arthritis: A Case Report. Acta Med Indones 2023, 54, 614.