TY - JOUR T1 - Gatekeepers and goalkeepers: general practice advice to purchasers. JF - British Journal of General Practice JO - Br J Gen Pract SP - 450 LP - 451 VL - 42 IS - 364 AU - R Maxwell Y1 - 1992/11/01 UR - http://bjgp.org/content/42/364/450.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -