RT Journal Article SR Electronic T1 Strangulated umbilical hernia in a child. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 440 OP 441 VO 42 IS 363 A1 V Rudran A1 R Jones YR 1992 UL http://bjgp.org/content/42/363/440.2.abstract AB