Dr Shelley Potter and her colleagues gathered data on the number, route and outcome of Primary Care referrals to the Frenchay Brest Care Centre in Bristol between 1999 and 2005.

• 1998年卫生部门引进了“等待两周”的观念，此后的1999年4月，该项建议获得通过，即乳腺癌疑似患者应该在两周内由全科医生推荐给专科医生诊断治疗。