TY - JOUR T1 - Equal and opposite reaction to Willis. JF - British Journal of General Practice JO - Br J Gen Pract SP - 1016 LP - 1016 VL - 51 IS - 473 AU - N Campbell AU - B H Smith Y1 - 2001/12/01 UR - http://bjgp.org/content/51/473/1016.1.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -