RT Journal Article SR Electronic T1 General practitioners with special clinical interests JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 168 OP 168 DO 10.7861/clinmedicine.2-2-168 VO 2 IS 2 A1 Alastair Crosswaite A1 Derek Bell YR 2002 UL http://www.rcpjournals.org/content/2/2/168.1.abstract AB