RT Journal Article SR Electronic T1 Ecchymosis hominis circulare: a rare phenomenon? JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 516 OP 517 VO 40 IS 341 A1 R Hutchinson A1 S P Williams YR 1990 UL http://bjgp.org/content/40/341/516.2.abstract AB