Holdgate, A; Pollock, T (2005 թ․ ապրիլի 18). «Nonsteroidal anti-inflammatory drugs (NSAIDs) versus opioids for acute renal colic». The Cochrane Database of Systematic Reviews (2): CD004137. doi:10.1002/14651858.CD004137.pub3. PMID15846699.
Holdgate, A; Pollock, T (2005 թ․ ապրիլի 18). «Nonsteroidal anti-inflammatory drugs (NSAIDs) versus opioids for acute renal colic». The Cochrane Database of Systematic Reviews (2): CD004137. doi:10.1002/14651858.CD004137.pub3. PMID15846699.