PT - JOURNAL ARTICLE AU - Kamal Patel AU - Lesley Perkins AU - Steven Mann TI - Are upper gastrointestinal cancer two week referrals an appropriate use of National Health Service resources? AID - 10.7861/clinmedicine.11-4-412 DP - 2011 Aug 01 TA - Clinical Medicine PG - 412--412 VI - 11 IP - 4 4099 - http://www.rcpjournals.org/content/11/4/412.1.short 4100 - http://www.rcpjournals.org/content/11/4/412.1.full SO - Clin Med2011 Aug 01; 11