RT Journal Article SR Electronic T1 Primary health care and the poor in the inner cities of New York and Washington, U.S.A. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 679 OP 693 VO 22 IS 123 A1 Law, R. YR 1972 UL http://bjgp.org/content/22/123/679.abstract AB