Shaffer، E. A. (2001). "Gallbladder sludge: What is its clinical significance?". Current gastroenterology reports. ج. 3 ع. 2: 166–73. DOI:10.1007/s11894-001-0015-6. PMID:11276386.
Pazzi، P؛ Gamberini، S؛ Buldrini، P؛ Gullini، S (2003). "Biliary sludge: The sluggish gallbladder". Digestive and Liver Disease. 35 Suppl 3: S39-45. DOI:10.1016/s1590-8658(03)00093-8. PMID:12974509.
Shaffer، E. A. (2001). "Gallbladder sludge: What is its clinical significance?". Current gastroenterology reports. ج. 3 ع. 2: 166–73. DOI:10.1007/s11894-001-0015-6. PMID:11276386.
Pazzi، P؛ Gamberini، S؛ Buldrini، P؛ Gullini، S (2003). "Biliary sludge: The sluggish gallbladder". Digestive and Liver Disease. 35 Suppl 3: S39-45. DOI:10.1016/s1590-8658(03)00093-8. PMID:12974509.