RT Journal Article SR Electronic T1 The flywheel: the Affordable Care Act is picking up momentum JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 250 OP 251 DO 10.3399/bjgp19X702545 VO 69 IS 682 A1 John Frey YR 2019 UL http://bjgp.org/content/69/682/250.abstract AB