Shekelle PG; Ortiz E; Rhodes S та ін. (2001). Validity of the Agency for Healthcare Research and Quality clinical practice guidelines: how quickly do guidelines become outdated?. JAMA. 286 (12): 1461—7. doi:10.1001/jama.286.12.1461. PMID11572738.
Shekelle PG; Ortiz E; Rhodes S та ін. (2001). Validity of the Agency for Healthcare Research and Quality clinical practice guidelines: how quickly do guidelines become outdated?. JAMA. 286 (12): 1461—7. doi:10.1001/jama.286.12.1461. PMID11572738.