RT Journal Article SR Electronic T1 Keeping an open mind. A non-specific diagnostic nomenclature used as a tool in the management of clinical problems. JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 593 OP 600 VO 21 IS 111 A1 H. F. Reichenfeld YR 1971 UL http://bjgp.org/content/21/111/593.abstract AB