PT - JOURNAL ARTICLE AU - Ken Catchpole TI - Spreading human factors expertise in healthcare: untangling the knots in people and systems AID - 10.1136/bmjqs-2013-002036 DP - 2013 Oct 01 TA - BMJ Quality & Safety PG - 793--797 VI - 22 IP - 10 4099 - http://qualitysafety.bmj.com/content/22/10/793.short 4100 - http://qualitysafety.bmj.com/content/22/10/793.full SO - BMJ Qual Saf2013 Oct 01; 22