Lam MY, Lee H, Bright R, Korzenik JR, Sands BE (2009). “Validation of interactive voice response system administration of the Short Inflammatory Bowel Disease Questionnaire”. 《Inflamm.Bowel.Dis》 15 (4): 599–607. doi:10.1002/ibd.20803. PMID19023897. CS1 관리 - 여러 이름 (링크)
Lam MY, Lee H, Bright R, Korzenik JR, Sands BE (2009). “Validation of interactive voice response system administration of the Short Inflammatory Bowel Disease Questionnaire”. 《Inflamm.Bowel.Dis》 15 (4): 599–607. doi:10.1002/ibd.20803. PMID19023897. CS1 관리 - 여러 이름 (링크)