PT - JOURNAL ARTICLE AU - Thomas Round AU - Gary Abel TI - Seeing the wood and the trees: the impact of the healthcare system on variation in primary care referrals AID - 10.1136/bmjqs-2019-010356 DP - 2020 Apr 01 TA - BMJ Quality & Safety PG - 274--276 VI - 29 IP - 4 4099 - http://qualitysafety.bmj.com/content/29/4/274.short 4100 - http://qualitysafety.bmj.com/content/29/4/274.full SO - BMJ Qual Saf2020 Apr 01; 29