Sho Y, Ishiodori T, Oketani M, Kubozono O, Nakamura A, Takeuchi A, et al. (July 1999). "Effects of urinary metabolites of etodolac on diagnostic tests of bilirubin in urine". Arzneimittel-Forschung. 49 (7): 572–6. doi:10.1055/s-0031-1300464. PMID10442203.
Sho Y, Ishiodori T, Oketani M, Kubozono O, Nakamura A, Takeuchi A, et al. (July 1999). "Effects of urinary metabolites of etodolac on diagnostic tests of bilirubin in urine". Arzneimittel-Forschung. 49 (7): 572–6. doi:10.1055/s-0031-1300464. PMID10442203.