RT Journal Article SR Electronic T1 Aspirin against cancer JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP 247 OP 247 DO 10.7861/clinmedicine.1-3-247a VO 1 IS 3 A1 Ricky A Sharman YR 2001 UL http://www.rcpjournals.org/content/1/3/247.2.abstract AB