RT Journal Article SR Electronic T1 Two knots in the umbilical cord JF The Journal of the Royal College of General Practitioners JO J R Coll Gen Pract FD British Journal of General Practice SP 704 OP 705 VO 26 IS 170 A1 Weller, M. A. YR 1976 UL http://bjgp.org/content/26/170/704.abstract AB A case of two true knots occurring in an umbilical cord is reported because of its relative rarity. The literature is reviewed. The cause of this potentially dangerous phenomenon is discussed, and a recommendation for further study made.