A preface concerning Keystone III

Green LA, Graham R, Stephens GG, Frey JJ

This article is part of a special issue of Family Medicine dedicated to The Keystone Papers: Formal Discussion Papers from Keystone III.

Green LA, Graham R, Stephens GG, Frey JJ. A preface concerning Keystone III. Fam Med 2001;33(4):230-231.