RT Journal Article SR Electronic T1 Oral ulceration in general practice JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 51 OP 51 VO 20 IS 96 A1 E. Tuckman YR 1970 UL http://bjgp.org/content/20/96/51.1.abstract AB